She has had time to learn how to make subs happy and was definitely using her knowledge for Peter's needs. There was not a bad reaction to the movement of his hands, instead she seemed pleased by the show of possessiveness towards her. In this moment, they belonged to each other and being possessive only seemed right. It wasn't a sign of dominance, so she wasn't threatened by it at all.

When he gave her access to his neck again, she went back to planting kisses all over the exposed skin while her fingers moved to the side of his neck to pet him. "It's the most sensitive spot on a sub," she explained between kisses, wanting to teach him even though she knew in this state it wouldn't really stick. "Very vulnerable. That you're exposing it for me is proof that you've submitted to me and trust me to protect you."