Yes they do. I had a guy ask me have I ever and for the most part I'm very honest and I promise EVERY DAY after he had questions and it really annoyed me and whatever chance he may have had, his immaturity was a turn off on the subject.
I don't know you if you ever watched the Sopranos but that is a good way to talk generational and cultural repression
One episode a women gets beaten almost killed and almost causes a mob war because she gossips with her girlfriends that her old well connected mob boyfriend Uncle Junior eats pussy well.
This is seen not as a compliment which it is amongst the women
but a huge sign of weakness.
Enough to nearly kill for
He is heckled mercilessly
The audience KNOWS all these mob guys do the same thing but its the fact that its public.
You don't f ck your wife in the ass, but you do that to your girlfriend or a whore.
they are completely SEPARATE
And afterwards MANY MANY people identified with it.
So one of the most popular series of all time recognized the power of cultural sexual repression.
It isn't just a black thing.
I know people who never tongue kiss, men you think oral sex in ANY fashion is offensive, etc etc