Confused ( No negative comments please)

I'm confused and undecided there be times when I'm in my room by myself laying down alone just thinking to myself about my bf I be wanting to have serious conversations with my boyfriend but I back off nd keep it to myself because I'm afraid of his response well not afraid but I know if I ask serious questions or start a personal conversation then it's going to turn into a argument if he dont like what im asking or what im saying at the moment which is what I'm trying to avoid but I can't keep pushing everything off to the side like everything's ok when I feel it's not so should I just woman up and speak my mind and the outcome just could either go both ways good or bad or just bad all around nd turn into a argument. It may not make sense to you guys to the ones that's reading this because I didn't know how to word this correctly but I'll know someone will probably understand what I'm saying or what I'm trying to say.