How to redeem yourself with a guy?

So, I went out on a couple of dates with this guy, and I'm really new to dating, so I accidentally messed up and caused the guy to run off! I definitely came on too strong and probably came off as psycho, which wasn't my intention, I thought I was just letting him know I'm interested! I now the error of my ways! Is there any way to get a guy to give me another shot? And will the guy be able to get over the bad first impression? Or is it time to give up and try again with another guy?
How to redeem yourself with a guy?
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