Fist Full Of Mustard

When you spend your whole life in the dark, it’s important to have a system.
I keep mustard packets in my left pants pocket, ketchup packets in my right pants pocket, relish packets in my jacket pocket, mayonnaise packets in this shirt pocket, salsa packets in-
No. Really. Ask me for something.
Mustard? Right here.
Ask me again.
Ketchup? Right here.
See?
Well, okay, you can’t see, because we’re in the closet and the light’s off and it’s dark, but still, I’m ready.
Now I’m ready for anything! Let’s go out there and…
Um… hold on…
Who locked the door?