Terrified and happy at the same time.

I'm a 27 and I'm gay. It's been so long and a struggle to actually accept that. I've recently started dating a wonderful guy and it's a wonderful feeling of actually being myself and though the struggle to get here has been the worst experience in my life I'm still terrified. It's taken me 13 years to accept that.I've come out to my friends but not my family. I'm terrified to lose them. I just want to go up to them and tell them all about my boyfriend and how happy I am. I want to introduce them to him and I want them to like him. But that's not my family. They tell me all the time that they are so worried about me being gay since I never had a girlfriend. When they bring it up they spit their toxic religious beliefs to me and it makes me sick. I wish I could just tell my brothers and have them hang out with us. But I don't know how'd they would take it.Why must I have to choose to lose my family? I wish they could eventually understand that I've hated myself for years and done everything I could to not be this way but I can't change and I didn't choose this. What I do get to choose is to just let myself be happy. I've met my boyfriend's family and they are so loving and accepting. I wish I could have that. Idk I guess I needed a place to rant so I won't let this fester in me anymore.