Answer:
What can be big, white, dirty and wicked?
What has a big mouth, yet never speaks?
My first keeps time, my second spends time, my whole tells time.
What contains zero calories, but if you consume it, you will probably gain weight?
Do what he says and you'll be fine, don't and you lose the game.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?