What do you tell yourself to avoid giving up on discipline?

How do you manage to stay disciplined EVERY DAY:

• Get up early and don't go back to sleep
• Don't pick up your phone and do your difficult tasks
• Do your difficult tasks without interruption
• STAY CONSISTENT EVERY DAY WITHOUT INTERRUPTION I can't seem to stay consistent every day and I'm kicking myself for it.

What do you tell yourself to pull yourself together when you think, "Oh, it's okay, I can give up today"?