Im 14 and dont really have a religion my boyfriend is 18 and hes muslim. what should i do?

we've been talkn for a while and when i turn 18 were gonna get married and have our first child. everybody is happy 4 me because i have a great boyfriend with 3 jobs and he really does love me. i havent tld my mom about him yet but i tld mi gma n changed the story a bit lol i really really like him....