Do you think this relationship is going to work out?

I've been seeing this guy for like six months. He wanted to be a relationship, but I didn'tt due to personal reasons. Although I told him I wasn't ready/didn't want to waste his time, we're still seeing each other. I told him before how I wanted to keep my options open (which I still do), but each time we hang out, I like him more.
So the deets:
-I'm 19, nursing major, about to be a college sophomore. He's 23, currently in grad school, criminal justice major, and has a job.
-We live in different cities, about 20 mins from each other.
-Comes from a large family of 8, quite dysfunctional. I only have one younger sibling.
-Has had previous relationships/not a virgin. I have never had a relationship and I am a virgin.
-I'm an introvert while he's an extrovert
-Have anxiety/paranoia issues

I don't know man. It's six months and I don't know what to do. Before I wanted to be just friends, but I don't know what happened. The one thing that scares me is the sexual experience. I want to wait until marriage, but I don't know how he's going to take that since he already has had it. What if he hooks up during our relationship.
Do you think this relationship is going to work out?
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