And believe it or not, there are some gay guys who don't participate in anal sex at all.
Yes, I had actually heard that.

Fortunately, as you said, there are other, alternative activities for such couples to enjoy.
(Believe it or not, I even know what the term 'frotting' means!)

Anyway, thanx for the education and the hot pic.

As Spock would say: "Fascinating."