How shoul I feel

My boyfriend and I are really into business and he’s more ahead of the game than I am, but he has this friend who is his brand manager and he always listens to his advice... I’m so upset. I told him why he needed to talk to him about everything and base his decisions off what he says and he said that he just helps him.. but like ok.. so WHAT AM I HERE FOR? To just get fucked? Fuck that. I’m cried to myself in the car I was truly heartbroken and I dong want to talk to him anymore but we live together and i feel like I’m acting like a little girl plus I’m about to be on my period so I’m more emotional. I’m just so upset that he needs HIS advice. He tried asking me what he should do AFTER I went off and that’s not ok. What should I do.