Help...

So me and this guy had been talking for a few days, he's just turned 16 and I'm 14. We'd been talking and we really liked eachother. Yesterday, he messaged me saying he thought I was really sweet and such a nice person but he wasn't sure about us. It was based around the fact that he wouldn't of felt comfortable in a relationship. We messaged back and forth and he opened it when I said you really rained on my parade and he didn't reply, I thought this would go somewhere. How do I try to get him back? We were planning to meet up for the first time but obviously that won't be happening now...help?