How do I stop being so clingy when dating? He has taken 5 hours to respond and I freak out?

I wouldn’t say I’m AWFULLY clingy. It’s more than I’m very very paranoid about abaondonment which makes me cling onto the person. Im dating someone now and for example today he has taken 5 hours to reply and still hasn’t and stuff like this really bugs me but he is out and we’ve only been dating for 2 weeks. I just get so worked up and anxious about abanonment. I don’t want to put this all on him so soon he’s gonna get scared off and it will push him away? I don’t freak out to him I just freak out to myself but it dosent feel nice. I don’t want to keep living like this though in this cycle of fear of someone leaving and being so clingy. I haven’t shown him my clingy side yet i come across as very laid back but in reality I just wanna call him and see him everyday.

How do I stop being so clingy when dating? He has taken 5 hours to respond and I freak out?
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