Yes you can. You don't need such things to feel good about yourself. Yeah you may need to work a little harder to get to that point.
I am pretty average looking, I don't have a ton of money, not that smart either haha, but am working on getting my self esteem higher by attending class, being around others on the same level as me.
And ella there is absolutely right.
Don't worry about what others think of you, we are all a little different in our own way.