He's trembling as he comes down from the high, face pushed into her throat to anchor himself, breath hot and ragged against her skin. As open and vulnerable as he is right now, Molly's whisper goes straight into his chest, resonates through his whole body like an aftershock of the orgasm, and he tips his own head to breathe in her ear.

"Love you."

Sherlock moves a shaking hand to rest on her bound wrists. He's not quite up to the fine motor skills required to get the knot undone, but somehow the contact seems important.