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When Mycroft thought about it, he didn't really know when things had changed between him and Greg. It had been gradual, he supposed. It wouldn't even be noticeable to some people but he definitely couldn't miss it.
It had started with casual encounters at the pub from time to time and then from the pub they had moved on to the restaurant, the evenings often going on until closing time.
Recently, Greg would sometimes bring Mycroft a box lunch, claiming that he had overcooked the night before, but Mycroft knew very well that it was done with purpose. He even had to admit that he was secretly flattered to be the object of Greg's kindness.
Tonight, Mycroft had accepted his invitation and they were both sitting in Greg's living room after a most enjoyable dinner.
He asked softly, "Greg, why are you being so nice to me?"
Greg turned to look at Mycroft. His mouth opened slightly, as if he was about to start, but he quickly closed it and frowned.
Then, seeming to finally make up his mind, under Mycroft's amused gaze, he leaned over and pressed his lips to his. It was only a brief brush of lips and Mycroft barely had time to feel the pressure of Greg's lips before he moved back.
"You call that a kiss?" asked Mycroft with a lopsided smile.
"Just testing the water," Greg replied playfully.
Mycroft moved closer. They were inches apart again, "I think the water temperature is perfect."
Greg moved closer and whispered, "Really?"
Mycroft moved closer again. Their foreheads were now touching, and Greg could feel Mycroft's breath as he replied, "Just ideal."
It didn't take much for Greg to close the distance, pressing his lips to Mycroft's.
It was soft, and it was tender.
No tongues dancing around each other.
No biting of each other's lips.
No moaning of the other's name.
Not yet.
Just their lips gently touching and their hands reaching for the other.
For both Greg and Mycroft, it was perfect.
After a moment, Mycroft moved away, but he kept his hands around Greg's neck. Greg buried his face in the crook of Mycroft's.
When their breathing had calmed, Greg whispered against his skin, "Mycroft?"
Mycroft hummed into his hair.
"Where do we go from here?"
Mycroft took Greg's face in his hands and said softly, "We'll figure this out as we go along."
Greg nodded and smiled, "After all, that's what we do."