X was with Four since BFB 1 and till BFB 30, but X finally had power and value and ditched Four, Four was shocked and started arguing and yelling at X while X yelled back

X: what? Are you angry? Because I used you?

Four: i-I-it doesnt matter. And n-not just because I’m stronger than y-y-you now!…

X: you’ve grown soft, Four, isn’t that right?!

X punched Four in the face and slaps him