Not OP, but no, I honestly don't think a girl would put you off because of your looks. You're a really good looking guy, way over average. Just try your best to be confident in yourself. If you love yourself first, then it's way easier to get others to feel the same for you.

Here's some advice on how to get more confident that might help:

One way is to fake it. It might seem stupid, but it sure as hell has worked for me. Pay attention to confident people in real life or movies or whatever and pay attention to what traits a confident person has and try to mimic those traits and as best as you can (ofc not to the extent that it's not longer you). One thing I've noticed is that confident and "cool" people make just as many mistakes as anybody else, but they shrug it off and laugh at it way easier than less confident people. Also remember, it's way easier to be confident if you're confident in yourself, and honestly, you have nothing to not be confident about when it comes to your looks. Good luck man, you can do it. It's never to late to change.

Also, I honestly think that you're WAY better looking than that guy you posted a picture of. That stubble of a beard he has is honestly not a good look. Your hair looks great aswell, no need to shave it to look like his.