There's a huge middle ground between not being able / struggling to get a girlfriend and always getting the ladies.
And I don't think there's any man on Earth that always gets a woman when he's looking for one.
And I would argue that a man that has only a few women in his life, where he tends to get into long term relationships is just as successful, if not more so, with women than someone that has lots of shorter term flings.
There is, to some extent, 2 skillsets.
1 Recruitment
2 Retention
I would class myself as average at the recruitment and good on the retention.
When I was 18 I was hopeless at recruitment.
The big breakthrough for me happened one freezing cold night. When I went for a walk up a nearby snow covered hill after another beer fueled night with no success. I reassessed my place in the history of the universe and decided that the whole of my life will make no impact on anything. And that all the negative things in my life didn't matter.
I let go of a lot of stress that night. Started taking the worries in my life less seriously.
Soon after that I got my first girlfriend. And spending time with her taught me a lot about women. About how they aren't a different species. About how I have a lot more in common with them than differences.
And since then it's been a case of continuous learning.
Between the age of 18.5 and 19.5 there was no change in my looks, wealth, status. There was a big improvement in my ability to get a girlfriend. Due to a change in my core inner philosophy and gaining experience as a boyfriend.
There are certain behaviours and ways that you talk that tend to be attractive to women and certain behaviours and ways of talking that tend to be unattractive.
There are Youtubers that have done video series that tell you all you need to know to be successful enough with women.
All any man needs to do is to watch them and then to go ahead and put the theory into practise.
The funny thing is, that when I've introduced these videos to male friends, they've not been interested. And they've continued to have from no success to limited success with women. You can lead a horse to water but you can't make him drink.
I suspect that a big secret to success in this area is getting out of the way of yourself. And to stop self sabotaging yourself. To stop clinging to comforting beliefs and behaviour patterns.