He snorts. "I'm pretty sure you'd be the only market for that." Seriously, who else would want to look at him naked.

Her hands feel good on his skin and for once, he's content to let her take care of him. "Yeah well... I don't like losing control."

Isn't that a lot of what it boils down to? Letting someone take care of him means that he's off his guard and that means they can hurt him. Malcolm trusts Harley enough not to hurt him.