He said he wasn't ready for a relationship, now he's back..

There was a guy I was seeing about 6 months. Things got serious WAY to fast, we never had sex, but in other aspects, things moved pretty fast, even I was pretty scared off. After about 3 weeks he said he wasn't ready for a relationship, and didn't think he was over his ex, and did not want to hurt me. We stopped talking, and I never contacted him again. He's now popped up back in the picture, and apologized for what he did, and now he wants to take me out? So what do I do? I don't even know if that feeling that I had with him will still be there since its been a few months, so I don't know if its even worth meeting up. Suggestions?
He said he wasn't ready for a relationship, now he's back..
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