"
she knew she would be okay,
So she didn't let it get in her way,
Sometimes it
He means, even when you break down, you push yourself onward. You don't give up. If you fall down, he knows you can get back up, and brush off the dirt. The second line means, even if someone, or something is pushing up back down, you don't give up. You have faith in yourself, even when no one else does. He's saying that even when things are tough, to keep trying, to not let them break you. Shawn is telling us not to give up on ourselves.