Achievements Unlocked
Don't worry, metagaming is all that matters.

Bosses Killed
You've killed HOW many?

Bubblegums Killed
You've killed HOW many?

Boss Killer
You've come a long ways from asking how to switch hands.

Bubblegum Killer
I guess he wasn't made of candy after all

How Do I Switch Hands???
If you saw someone casually club themselves upside the head with a toolbox anywhere in the galaxy but here, you'd probably be pretty concerned for them.