For Jack, it seemed to happen in slow motion. A hand there, then fingers. A pull. Bend there. And then his kiss. Jack closed his eyes and lost himself in it. He'd never kissed anyone in all these long years that was as perfect as Logan. It was if their mouths were just made to fit.

Jack kissed him eagerly, kissed him like a man drowning.

...Which meant he wasn't thinking too hard about controlling the life energy that threatened to overflow.