People pride themselves on self-awareness, but it's bullshit.
You can do all the personality quizzes, introspection and discussions with coaches and mentors - you can do as much of that as you want.
But it's ultimately worthless if you don't ACT on that knowledge. You know you talk over people too much? Get people to call you on it. You have a tendency to flit from project to project when things get difficult? Strap yourself to your chair and force yourself to finish something for once.
If you're not using that self-awareness to improve yourself, your life, your relationships, and your decisions, then it's all just masturbation.