Boyfriend stays every weekend. I am struggling with some health problems and effort to keep the relationship going. Sometimes I want  to be alone, but am feeling stuck with the pattern we have, what to tell him?

Doesn't sound to me like the relationship is worth saving after seeing your other question. Think you should break it off till you solve your health problems if possible and then look for a real man that will understand you and treat you properly. If you're feeling "stuck" , then it's time to end it as it's going nowhere for you.

One of the "secrets" of a successful relationship---including marriage---is to "Ask for what you want 100%."

Actually, it's not a "secret"---it's a requirement.

If I don't tell you what I want and you don't tell me what you want, then how can we respect and incorporate each other's legitimate wants and needs into our relationship.

I say "legitimate" because if you want to be a famous serial killer, that would that be a deal breaker for me---not just because it's illegal, but because it's against my personal philosophy of life.

And in the words of a song from a few years ago, "There ain't no good guy, there ain't no bad guy, there's only you and me and we just disagree."

Generally speaking, two normal adults can have a workable, satisfying relationship if they are willing to spend the time and effort to do so---but not every relationship is worth that time and effort nor do we always have sufficient time and effort available to bring to every relationship for it to succeed, and thus the question: Is this relationship worth it?

And remember, all humans require a certain amount of time alone to function properly---taking a weekend for yourself occasionaly, whether you are sick or not, is absolutely reasonable.

"Hey Robert, I am wondering if it's possible for you to ask me the next time you want to spend the weekend with me. Right now, I'm experiencing a lot of health issues and the weekend seems to be the only time I can sleep a lot and recuperate. It would be helpful for me if we could talk about weekend plans together instead of you just coming here every weekend.  Would this be something you'd be willing to work through with me?"

Once you talk to him about this, you will have your answer on how to proceed. Remember, no one can walk all over you without your permission. If you are unwilling to talk to him about your health or any other issue, he will never know how you're feeling. Some interpret silence for agreement. If you never disagree, he will never know.