How do I keep in touch with a guy I met without seeming desperate or annoying?

First of all, you just met him over the WEEKEND, what day is it today? Oh yeah MONDAY, give the guy a couple of days to reply at least. Geez. Sometimes I don't reply for 4 or 5 days to my comments. He's a guy, and once we find girls that interest us, we don't let them go. Just wait for a message, because you'll get one. See I felt that away about girls that didn't message me back too. And then finally she did, so what did I do? I have this rule, I only message people back according to how long it took them to message me or longer. So however many days he waits, make him wait too even longer if you're angry. Usually after so long of me waiting and then I finally send it, I get a message the next day, so they know not to keep me waiting again.