What’s missing?

Background: I’m mid 20s very physically fit (martial arts + calisthenics 5 days a week; can run a mile in 7.5 mins) dress well, converse well according to peers and those older than me. Am often told I’m very mature for my age. I approach women well according to those I’ve asked, most find me handsome. Got my own place, car, bills etc. For some reason every time I get a girls number they end up falling of/flaking. Ive had girls describe me as having an edge/cocky in a good way so I don’t think I’m a nice guy. Is it me or is it normal for a guy in mid 20s to go through this?