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The first sign that something was wrong with Loki was the teacup. More specifically, the teacup that had inexplicably turned into a frog halfway between the kitchen and the library.
Kaylee stared at it from her place behind the research desk, watching the little green creature hop indignantly across a stack of Asgardian manuscripts. Loki, who had been walking with all the dignity of a prince visiting a particularly unimpressive kingdom, stopped dead in his tracks.
For a moment, neither of them moved. Then the frog croaked.
“I assume,” Kaylee said carefully, “that was intentional?”
Loki straightened his shoulders. “Naturally.” The frog hopped onto his boot.
“Your magic is glitching.”
“My magic is doing nothing of the sort.” The frog croaked again, rather loudly.
Kaylee pressed her lips together to hide her smile. She liked Loki. She liked his theatrical arrogance, his dry wit, and the way he occasionally pretended not to notice when she brought him tea during long afternoons in the SHIELD archives. She even liked the way he insisted on correcting her pronunciation of Asgardian words, despite the fact that he had once admitted her accent was better than that of several minor nobles he'd known.
What she didn't like was the faint pallor beneath his usual composure or the way his fingers had trembled when he'd tried to dismiss the frog. She had spent enough time researching strange artifacts and magical phenomena to recognize a problem when one practically hopped onto her desk.
By the end of the afternoon, Kaylee had confiscated three books from Loki, persuaded him to sit down, and discovered that his magic had been behaving strangely for nearly a week. He called it a temporary inconvenience. She called it a magical affliction and began looking for a cure.
The next several evenings passed in a comfortable haze of lamplight, turning pages, and cooling cups of tea. Kaylee worked her way through centuries-old texts, cross-referencing Asgardian mythology with the notes SHIELD had collected from previous encounters with alien magic. Loki sat beside her, initially offering unhelpful commentary and increasingly finding himself drawn into the research.
He was, she discovered, surprisingly good at translating ancient texts when he stopped pretending the task was beneath him. She was, he discovered, remarkably difficult to distract when she had a mystery to solve. Their evenings developed a routine. Kaylee would arrive with her satchel full of notes and a fresh pot of tea. Loki would claim he'd only stopped by to ensure she wasn't making a catastrophic error in her interpretation. Somewhere along the way, he would settle into the chair beside hers, his shoulder occasionally brushing hers as they leaned over the same page.
On Thursday night, Kaylee found him asleep.
It was a rare enough sight that she nearly forgot what she was holding. Loki had fallen asleep in the armchair by the window, a heavy book resting open against his chest. The lamplight softened his features, easing the familiar sharpness from his expression. Without the careful posture and the watchful gleam in his eyes, he looked almost peaceful.
She quietly removed the book before it slid to the floor and draped the blanket from the nearby sofa over him. Loki stirred, his fingers catching the edge of her sleeve. For one brief moment, his expression held an uncertainty that made her heart ache. Then he recognized her, and his hand relaxed.
Kaylee returned to her desk with a small smile, leaving him to sleep.
The cure, when she finally found it, was tucked into a passage so obscure that she nearly overlooked it. The manuscript described an affliction that weakened a person's magic by turning their own power against them. The remedy wasn't a potion or a rare ingredient. It required the afflicted person to willingly share their magic with someone they trusted, allowing that person to help stabilize the disrupted energy. Kaylee read the passage twice. Then she looked toward Loki, who had woken and was watching her with wary curiosity.
She explained what she'd found, carefully laying out the translation and the ritual's requirements. Loki listened without interrupting, though his expression grew increasingly guarded as she reached the final passage.
Trust.
It was such a simple word for something that had cost him so much. Kaylee understood enough of his history to know that asking him to place his magic in someone else's hands was no small thing. She also knew that pushing him would only make him retreat behind his usual defenses. So she did the only thing that felt right.
She offered him her hand.
There was no grand declaration, no promise that everything would be easy. Kaylee simply sat beside him, her palm resting open on the table between them, and let him decide. For a long moment, Loki studied her hand as though it contained a riddle even his considerable intellect couldn't solve. Then his fingers slipped between hers.
His magic stirred, a faint green shimmer spreading across their joined hands. Kaylee felt a gentle warmth travel up her arm, followed by a curious sensation like sunlight filtering through water. Loki's magic curled around hers, uncertain at first, then steadier as he allowed himself to trust the connection.
The light brightened briefly before settling into a soft glow. And then it was gone.
Loki blinked, flexing his fingers as if he expected something else to happen. When he summoned a small illusion above his palm, a delicate green butterfly appeared, its wings fluttering in the lamplight.
Kaylee smiled.
The butterfly landed on her nose, making her sneeze. It vanished.
For the first time all evening, Loki laughed. Not his polished, calculated chuckle, but a genuine laugh that warmed his entire face and made his eyes crinkle at the corners. Kaylee couldn't help laughing with him.
“Well,” she murmured, leaning against his shoulder, “I'm glad you're feeling better. I was beginning to worry I'd have to add magical frog management to my research qualifications.”
Loki slipped an arm around her waist, drawing her closer with a gentleness that still occasionally surprised her. “Your qualifications are already quite extensive, my dear. I see no reason to burden you further.”
She settled against him, listening to the steady rhythm of his breathing. His magic was restored, his color had returned, and the tension he'd carried for days had finally eased from his shoulders. Yet he didn't seem inclined to move away. Neither did she.
Outside, rain tapped softly against the windows, and the archives had grown quiet around them. Kaylee could have returned to her notes. Loki could have found a dozen reasons to excuse himself. Instead, they stayed where they were, sharing the blanket and the last of the cooling tea.
After a while, Loki pressed a kiss to the top of her head. “You know,” he murmured, “I believe I may have discovered a rather unexpected side effect of the cure.”
Kaylee tilted her face toward him, amused. “Oh? Should I be concerned?”
“Quite possibly.” His thumb brushed gently over her knuckles. “I appear to have developed an unreasonable desire to keep you close.”
Her smile softened. “Sounds serious.”
“Terminal, perhaps.”
“Tragic.”
“Devastating.”
Kaylee leaned up and kissed his cheek, lingering just long enough to watch his expression falter into something sweetly unguarded. “I'm sure we'll find a remedy.”
Loki turned his head, catching her lips in a gentle kiss of his own. “I rather think,” he whispered, resting his forehead against hers, “I'd prefer to keep this particular affliction.”