No matter what you think, you are someone's light. Someone's rock. There is someone out there that you mean everything to. People try to hard to be something their not. Don't try to be someone your not, because people love you for who you are. And for those who don't, its there loss! Their is always going to be someone out there that doesn't like you. Someone who tries there best to get you in trouble and hurt your feelings. But you just have to ignore those people. They are not worth their time. Pay attention to the people who care about you. Even if you can't see it, they're there. Just look harder. Those people love you for who you are, not who you aren't. Yes, people are going to leave. It doesn't mean they didn't love you are that they didn't care. It just means that it is time to move on. It happens. Friends change, people pass on, its going to happen. You just have to realize that people that are there for part of your life aren't always going to stay. But that's ok! These things are part of life. You just have to learn how to live with them and enjoy what you've got while you've got it! Don't compare yourself to others because that is not a fair comparison. They are not you and you are not them. Everyone is in there own league and it is impossible to compare people properly and fairly. So don't try to. You are loved, cared about, valid, amazing, talented, smart, awesome and so many other things! You just have to see that! It begins with you.
I wrote this all and it probably sounds terrible but yk. Hope it helped someone