Answer:
What jumps when it walks, but sits when it stands?
If you have me, you want to share me. Once you share me, you won't have me. What am I?
What is always in front of you but can't be seen?
I can go through glass without breaking it.
I can be written, I can be spoken, I can be exposed, I can be broken. What am I?
I flow from the Homerβs mouth when he sees doughnuts.