Because I saved her life and almost died doing so. You've never cared for someone in your life. Not even us.

[He tries to get out of the chair to go after Schuldig for that last remark, but ends up falling and cracking his cheek against the floor hard enough that he yelps.]

Schwarz doesn't even like me that much anyway. I'm useful, nothing else. Why shouldn't I kill all of you for using me?