You have the most dice.
You have a "crystal" d20 that is as big as two thumbs and always lands on 18.
You buy dice because they're pretty, not functional, and them attempt to use them even though their shape prevents them from rolling well.
You keep insisting you need more dice.
You keep buying more dice.
You have more d10s than any useful dice.
You say things like, "I'm not a dice whore! I'm very picky about where all of my dice come from!"
People suggest that you need a bigger bag for all those dice.
You can build pretty pyramids out of your dice.
Other people build pretty pyramids with your dice while waiting for their initiative.