Who we are can be seen in so many ways. We express ourselves in colors, emotions, items, pictures, paintings, and words. We want people to appreciate us as we are. When people don't accept us, we become down on ourselves and depressed. We become jealous of people who we feel have everything we could need. The jealously can sometimes consume us or it can make us stronger. If you use the jealousy to bring yourself back to God, and ask Him help you figure out what you are jealous of and how you can overcome it, you will become a better person.
However, if you let the jealousy eat you alive, and all you think about is how much you hate yourself and wish you could live a different life, you are only bringing yourself down. By holding yourself down, you are no longer allowing youself a chance to grow. As a result, you are only dwelling in worry and consuming yourself in thoughts about something you can not control.
For example, I used to be really bummed about being kind of short, but now I look at it as an advantage. I can date short guys as well as tall guys, and I can wear heels and not be taller than them. My friend used to hate her face, but then she realized that we are all going to look old and wrinkly one day and it didn't matter anymore.
Discover a way to use your "bad quality" for good. In my example, I always looked up to tall people and wondered what it would be like to look over people's heads. One day I was talking to my tall friend and I asked him if he liked being tall. He said it had good days and bad days. Sometimes he wished he could be short so people didn't always point him out in a crowd. He said he could never be a thief because they would always see him coming. Okay, he didn't really say that. But he did say he finally got over it, because he could play basketball and dunk, and he could slap the volleyball around. My bad quality allows me to be able to hide under the bed, crawl into insanely small spaces, and look younger when I'm old.
Where am I going with this? That's for you to figure out. But I'll leave you with one final thought. "Sometimes it has more to do with attitude than height."