Good luck trying to live alone on a desert planet once Knives has killed everybody. Better stock up on toilet paper now, just in case he manages to create his "Eden" after all. You should also expect opposition from Knives' goody-goody, human-loving twin, Vash the Stampede. Sibling rivalry is so irritating...
Calm yourself... no need to do anything drastic. Just go back and change your answers around a little.
"Dammit! I've been through all 4 outcomes now and the guy I want ISN'T THERE!"
Well, that's probably because he's in one of the other games. Go and see.