Answer:
I only exist when you are here. Where you never were I can never be.
small land in water.
What is eaten but can also eat?
I rise and fall no matter what, only at finals rest do I not budge. What am I?
I am not a toy though many use me for pleasure. I have a butt but I cannot poo.
What did the piece of wood say when he saw the screwdriver and screws approaching?