How to fix bad posture?

Dear smile; good posture is something that once you strive to do, I mean make a conscious effort to change, it will eventually become second nature to you.From now on when tyou catch yourself slouching, sit up straight....just keep correcting yourself and it will eventually become something that's automatic to you.When you stand hold your head up and keep your back straight, when you carry yourself this way you will look as though you have more self confidence, and with that you will feel taller