I believe people change. I would know this because I have changed. I went from a nice girl to a mean cold-hearted person. I know why I changed and I don't regret changing. My past made me change. People I've met made me change. No, my past doesn't define me. My past makes me who I am. People who say “Your past shouldn't change you” are wrong. What you've went through is enough for you to change. People I trusted left me or betrayed me and I'm only a result of what happened. So go ahead and change because we're supposed to evolve. We're supposed to change. It's life.