Well I think you outlined it with that first statement. Just don’t care or be emotionally connected to a particular outcome. Like they’re just a person with their own elbows and assholes aka they’re just people with their own shortcomings. Bring women off whatever pedestal you have them on and treat them like people you aren’t sexually / romantically attracted to and you’ll find your confidence pretty easily. That is until the attraction is confirmed to be mutual then sure. Once you get signs they are into you then you can start making it more intimate like with touch or going in for the kiss. Now if they pull back then let it go. You don’t need to fight to win anyone’s attraction. Look for the people who are looking for you, not for the ones who are not looking for you and your life will be much more enjoyable.

Sidebar having artistic / musical skills, having your life together, having goals and general fitness / hygiene are also very helpful things with actually attracting someone. Humans are essentially overcomplicated birds when it comes to mating.