as if you strip down the layers of their decency in a pleasant way, that they let you do it more, they felt that your approach is opening them.. and let you go further with the "sharing" you both gravitated for

they just feel good while/how you interact with them, and cant do anything with it (it is a form of unique recognition you posses)
thats the reason someone would choose this term, for he/she has no reason for defending itself from you, but the opposite