[It's so obvious what's going on, because it's not like Ruby can't feel it, but if it were too much, he'd tell her to stop, right? She'll go for as long as he wants, because she wants him to be happy.

... So, even as he squirms and he keeps making noises, she doesn't stop. This one might actually be even more obvious than the other, with how she's paying attention to it and that one spot on his neck.]