What does this mean?? Help!

Okay, I've been an FWB with this guy for a 2 months but only had sex like 3 times. He told me he lost his virginity to me... then yesterday after we had sex he says we should stop. He asked what church I went to and I told him. Then he asked if he marries people. I told him I don't know. He days we should stop unless we get married to each other. He even said he has strong feelings. He told me to think about it but I don't know. I like him we both know that we are not ready to get married or want to be in a relationship because of school. What should I do.?