You just said here they they're both sexually satisfying each other. As I see it there are two relevant definitions for sex:
...
Well, not to put too finer point on it but, no, I actually said "they satisfy each other", I assumed from chatting to the man that sex, certainly in the way I think of sex, was not a part of the satisfaction.
You can suck 'em, and suck 'em, and suck 'em, and they never get any smaller. ~ Willy Wonka