Answer:
Once you have it, you want to share it. Once you share it, you donβt have it. What is it?
I'm the son of water but when I return to water I die. Who am I?
What cleans as it gets dirty only to get clean the more you use it?
The more you take away, the bigger it gets.
What bank has no money?
What is big and yellow and comes in the morning, to brighten mom's day?