Things like you used to do but don't do now, will make you unable to bring out your full potential. What will happen next, you will become a burden to your friends or your team. What you have to do when that happens is, fix it until it all goes back to the way it was.
Likewise with Hanna today. She had made the mistake of taking the role of Tank as her hero. She had never used it before, not even when we were practicing. She can only use the Support role, that's the reason why she never dared to use another role while still with us.