Sectretum, you are wonderful person. But people won't find you lovable if self-loathe. Imho, the problem is not the quirkness, but the way you carry yourself. If you don't like yourself, why should others love? (that is the line of thinking).

You are young and you will yet be able to do many wonderful things. But you gotta take initiative. Want a guy? Show it. Try to flirt. What is the worst thing that happens? You will be turned down, eh. But by not acting you aren't getting anything either.

You are not under a curse, you will and can get better.... and if you try and don't self defeat, you can get a lot of what you want.