I’m a bit scared...

I could be talking to the most amazing guy, nice, sweet, cute and then when it comes down to them asking me out I push them away. I get scared and I think I’m scared of relationships. I’m not sure why but it’s every time, and I feel bad when I do it but it just doesn’t feel right and then I just stay liking that person from a distance bc I pushed him away I need advice on how to get over this and I don’t like playing games with these guys but I get scared when they actually wanna start dating ....😭