Your old behaviour served a purpose. It fulfilled a need for yourself. And unless you somehow cover the same exact need with your new behaviour, you'll always come back to this "bad" habit.
Every great artist steals. They choose to do it because it's the fastest way to learn and become even greater. But when you are a shitty artist, you don't even have that option. You just steal out of desperation.
Without an "outlet" that fits YOU, you'll accumulate more and more pressure inside yourself. And then it manifests itself in all kinds of weird things.
Over the last couple of years I had so many identities and roles it's even hard to list them all. But with every new time I "lost" one of these ideas of what I think I am, I somehow learned one fundamental truth...
There are six reasons why I procrastinate. And as long as I can't remove these six excuses out of my life, I'll happily continue to procrastinate. And you might as well.