Molly's hands slide behind his neck and she sighs into his mouth as they kiss. Her body is heating up even more and she's anticipating what's to come. His voice and words send a particular thrill through her body. She's going to give all control over to Sherlock and that is incredibly arousing and exciting.

"I trust you," she says as she opens her eyes to look right into his. She trusts him explicitly. He's shown an immense amount of trust in her just by allowing himself to love her, letting himself be vulnerable and try things he's spent years denying himself. She wants to return the favour by showing her trust in him.