I'm so sorry I never have the right words to say.
I'm so sorry I wasn't there when you needed me most of all.
I'm so sorry I wasn't able to be your protector.
I'm so sorry I'm so selfish.
I'm so sorry I let you down.
I'm so sorry I'm always so sorry.
I'm so sorry for it all.
I'm so sorry, god dammit, I'm so sorry.