15 and not a Virgin

I just want to be able to talk with someone about it. The night before last I lose my virginity. Me and my boyfriend have been dating about 2 years now He is the most gentle loving person I’ve ever met and I made the decision( I thought long and hard about it) to loose my virginity to him. He is also 15 and he is 9in long so it hurt really really bad but when he saw pain in my face he would stop so one time when he stopped he noticed I was bleeding so he helped me clean up and while we were coming up I burst into tears it isn’t because I was in pain or that I regretted my decision I’m not exactly sure why tho.im a Christian and I know Christians sin but I feel like this is a really bad one. If anyone wants to have a discussion in the comments just please make sure it isn’t rude