I cannot begin to tell you how many men are into the cream pie fantasy of licking another man’s cum out of their lady’s pussy. Many times they are men with tiny cocks that need another more well endowed guy to fuck their lady, but they do enjoy being on clean up duty for these women. Licking out every drop of another man’s leavings. Small penis humiliation, cuckold, and cum eating often all go hand in hand.
Some men are truly into cum though, their own especially and do not waste a drop of it when they masturbate. The act of licking another man’s cum, especially when it’s a forced bi situation, they are mainly doing it just to please their lady, an act of submission in many cases. Doing as they are told without question, no matter how distasteful it may be, they will do it, and further please their ladies in the process, usually making them cum another time by eating her out after she’s been fucked.
Some guys when they mention cream pie, they are making it clear it’s only an act to please their partner, they are grossed out by it and don’t really want to do it. I think though, you are thinking of it in the first place, I don’t really think it’s against your will! They just don’t want to admit they are into this, they can’t admit they want to suck cock, want to lick cum, so they need the element of the forced bi to go with it.