[ he would slap all of them in the face. and then hide behind kara and kitty. ]

You're one person. You're one really strong person - but you're still just one person. You can't do everything. And that's not true anyway - I'm sure you protected plenty of others, right? How many people did you save, help, given hope to? I know it's tempting to judge yourself on your downfalls but...you have to count the good. It happened too, and it's what you meant to do.