It's hard to know what Taboo is really feeling or experiencing since she's keeping the cards pretty close to the chest. I'm not sure why...we won't judge ya, honey.
Consider that when you sleep with someone, your lives often become entwined. If this someone is married, it can then become entwined in their spouses lives as well (and the children, and the friends, and the parents and on and on) Oy! The drama!
Fantasize, enjoy the idea in your head for a bit until the next tasty piece of (available!) ass comes around, then forget the whole thing. It may well blow the fuck up in your face and usually does.
VVV The sig. does NOT refer to someone else's husband!