If you want to make yourself a better person, then do that. If you want to change, then you change, but don’t do it for someone who is going to underestimate you. Prove to them that you can do it, and that their opinion is irrelevant. You deserve to live life how you want it. It’s your choice on what you want to do with your life and you don't need people to point all your mistakes and flaws because in the end who cares. We have all made mistakes in the past, and yes we all have our flaws, but that shouldn't stop you from working on your future. It’s your future, and you are the one who decides on how you want to live it. Remember that it’s all your choice and no one else's opinion matters, except yours. There’s no need to worry about what others have to say because if you’re happy, then who cares. If you’re happy with what you’re doing or how you’re doing it, then that’s all that matters.