Because I said so.
Here's how it works:
Pick a god, any god. Perhaps you practice a religion; feel free to ask yourself, "How would Athena play this sudoku game?" "If I were Loki, would I go for coffee, or swing by the service station and gas up the car first?" "How does Diancécht really feel about crescent wrenches?"
Or you can make up your own deity on the spot, ex nihilo or by grabbing the first object you...
...Hey, look, everyone! It's Malmetricia, the goddess of tape measures that don't quite snap all the way back.
And remember: Ixnay on the iting-smay.
Because other gods smite right back.