Answer:
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?
What can answer in any language? What can speak without a mouth? What can sing without an ear?
A dagger thrust at my own heart, dictates the way I'm swayed. Left I stand, and right I yield, to the twisting of the blade.
When the day after tomorrow is yesterday, today will be as far from Wednesday as today was from Wednesday when the day before yesterday was tomorrow. What is the day after this day?
Come up and let us go. Go down and here we stay.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?