I don't know of any way to control the subject of one's dreams although I'm fairly certain there are more than a few types of psychoanalysis dedicated to the topic.

I agree that biphobia is real, but I think it's absolutely worth considering that someone who "despises" having sex with her husband - and men in general - may not be interested in men sexually.

If you don't like potlucks, the solution to your problem is "don't go to potlucks," not "insist other people don't have them."

You have a right to be treated professionally at work, and it's your supervisor's job to make sure all their employees can perform their duties comfortably and safely.

If you get a dog, take care of your dog! You can just not have a dog if you don't feel like taking care of one, it's very easy to not have a dog.

I hate to get gender essentialist, but I'm starting to think that a lot of married men have some sort of heterosexually induced dentistry aversion.

You are allowed to draw lines even if your feelings are irrational. Part of the marvelous business of being an adult human is that you get to set your own boundaries for whatever reasons you like, without appending a sensible rationale to them.