I'm sorry to hear you're feeling so alone! It's a rough thing to feel, I know. You're still young. Which I'm sure you get a lot, but I promise it makes a difference. Not everyone likes super cuddly and affectionate people, but I promise they are so many people who loooove that. You'll find someone, I promise. And there's nothing wrong with you. Just give it time and learn more about yourself and what you want in the meantime.
People coming out will naturally increase exponentially since more people having courage means more people will have courage, etc. What I'm trying to say is that your chances will increase with time, you just have to believe and keep your chin up!