About my best friend who I sleep with?

I've been in a situationship for about 4 years. We've have the same recurring fight which pretty much is about the fact that I don't live close enough for a serious relationship. I want it but he just feels being an hour and 20 minutes away from each other is too long.
We both enjoy being around each other. We've also tried to end things but somehow rekindle things. Mostly him rekindling it. He is attempting to persue other woman closer and I've tried but it's difficult because I have feelings and he said he does too but he represses them. I feel I'm just going to get hurt at some point because if he really likes me why wouldn't he just try. But I really like him and don't feel I will get the same connection with someone else. Is he just stringing me along for the sex? He knows how I feel and this is why we end up in fights because he doesn't want to hear it over and over because he knows how I feel. He's says it's not productive because right now we can't be together. We have talked about future plans of being together when our kids are older. Any help would be great!

About my best friend who I sleep with?
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