Cuckold a style of life for 3 persons. So the "play" must be interesting for all of them. It is not just "fucking" the hot wife, but also giving the satisfy to her cuckold so.
I am bi, and I love, when the hubby is also bi, so I can have him and his wife. If he is sissy would be wonderful to have two women at the same time. Yes I prefer sub couples, or at least when man is sub.