Help me please??????????????????

we have been going out for a year and a half. we started having 3 weeks ago. i was a virgin, he wasn't. now we have a lot. if its not at my house. its at his house, sometimes we don't use condoms. the is really great. i give him bl**jobs all the time, we cant keep our hands off each other. i want to slow down but i cant . what do i do. im 17 and his 18