Answer:
If you have me you want to share me. Once you share me you wonβt have me.
Soft and cuddly I'll pull on your heart. But take my last name and I'll tear you apart.
When I am caught, I am thrown away. When I escape, you itch all day. What am I?
Why are there no living cats on Mars?
I am a precious stone, as clear as a diamond. Though you can walk on water with my power, try to keep me, and I'll vanish in an hour. What am I?
I flow from the Homerβs mouth when he sees doughnuts.