
See above froe example. Your husband is a gay man that will provide for you and the kids and be a good husband/father. He will give his best foot forward when having sex with you. However pare of the trade off, he is allowed to have a side relationship with a man.

Similar for guys, would you marry a gay woman that will bear your children, have great sex with you and be a great romantic partner and mother? Trade off being, she is allowed to have a side relationship with another woman.