Answer:
cats and deflation tires make this noise.
I help you carry your books.
I am three simple words everyone wants to hear. Three simple words such simple words and yet...life changing...
I never sleep yet sometimes I weep. I can get angry or just be happy. Wherever you go, I will follow. No matter what you do, I will be there. I cannot die. What am I?
You walk into a room with a rabbit holding a carrot, a pig eating slop, and a chimp holding a banana. Who is the smartest animal in the room?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?