I'm a guy in my late 20s and have only had sex once (many many years ago). And even that was just a random hookup once with a stranger. I have a slightly smaller than average penis (about 4.5 in fully erect and uncut) and it's stupidly sensitive. When I did have sex with that stranger, I came almost immediately on penetration. When I'm masturbating, it doesn't take longer than 10-15 seconds unless I purposefully drag it out.

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With the above combination, I've always been concerned about performing with another woman and I think that's held me back in even approaching women to try and get a date. I'm looking for some advice to build my confidence because at this point, it's a vicious cycle where I feel like I don't have the confidence to ask women out and I can't build any without any partners to practice with. Perhaps my biggest fear is of rejection. Any tips?