He seems as if he would be willing to learn all about what you go thru as having bipolar. You need not do all the stuff you're afraid of if your meds are adjusted. Why not give him a chance to read up, talk about it, and let him decide? Feelings of worthless are very difficult to deal with, and we need to let someone who loves us decide if they love us in spite of our feelings about that.

I did the same things you guys did, and he stuck it out. Now I've been married 24 years.