Saying someone is ugly doesn't make you any prettier.
Being alone does not mean you are lonely, and being lonely does not mean you are alone.
Learn to appreciate the things you have before time forces you appreciate the things you once had.
You cannot change what you refuse to confront.
You can learn great things from your mistakes when you aren't busy denying them. Read The 7 Habits of Highly Effective People.
We often talk to ourselves in ways that we would never let a stranger or even a friend talk to us.