Nipples

So I'm super self conscious about my boobs. I have really tiny nipples and rather large areolas that aren't very defined at all, and you can see blue veins through my skin and they're a bit saggy and have stretch marks. The nipples point down and they're point my and I hate them. Does anyone else have boobs like this? I never want to take off my bra when I hook up with guys because I'm embarrassed, should I be?