"Fuck excuses, learn to admit when you fuck up." This includes trusting the wrong people (and subjecting yourself to abuse). If you never admit you're involved, the same shit will happen to you, ad infinitum.
He walked in to my room and my life on the first day of college. I can't remember what my life was like before I met him, but I know that I never want to go back to it. Miss you already. See you in three months, my very best friend.