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"Happy Birthday!" Rose gave Jack his birthday kiss, but when she came up for air, she handed the box with the bow on it to the Doctor.
"Why does he get my gift?" Jack teased, pulling her into his lap. "Not that I didn't get the better part of the deal." His hand slipped under the hem of her shirt.
She slapped it lightly. "Not yet." Her tongue sneaked out of the corner of her mouth as she grinned. "You'll be happier if the Doctor opens it."
The Doctor looked mystified as well, but he set the box on the table and removed the lid. A smirk slid slowly across his lips. "Have a look, Jack."
Rose slid out of Jack's lap, and he stood. A brilliant white flower the size of his hand lay nestled in jumble of greenery.
"Hydroponic," Rose said, more to the Doctor than to Jack. "Give it light and sometimes nutrient fluid and it should grow more flowers for years."
"Pretty," Jack said, trying to be properly appreciative of Rose's gift when mostly, he felt like he was the one missing the joke.
Rose snickered.
"Patience Lily, I guess, is the best translation." The Doctor captured one of Jack's hands in his own, guiding until Jack's fingertip barely touched the flower's throat.
Jack jumped a little as the blossom closed on his fingertip, but the Doctor held his hand in place. The silken petals pulsed around his finger with some force.
"It won't hurt you, lad." The compelling darkness in the Doctor's eyes made it hard for Jack to think. "The pulsing is a pre-digestive process. Doesn't take much force to pull free, there at the edge, but much farther than that and there's no peeling it off. Doesn't get any stronger, and won't let go for hours."
Rose leaned against him, curving her arm around his waist. "It's not your finger we'll be putting into it, Jack." Her fingers slid under the waistband of his jeans.
Oh. Oh! Jack whimpered as desire swept over him, half-hard just imagining that gentle, inescapable pulsing around his cock. It wouldn't be strong enough to come from it, and he had no illusions that his lovers would grant him any release. He'd be helpless and desperate for hours.
It was going to be amazing. "Thank you." He pulled his finger free and dragged Rose in for a deep, passionate kiss.
She was laughing when he pulled away. "Happy Birthday!"
"Now?" The nervous anticipation in his voice sounded a little like begging in his own ears.
The Doctor slipped the lid back onto the box and clapped Jack on the shoulder. "Patience."