Answer:
You can drop me from the tallest building and I’ll be fine, but if you drop me in water I die. What am I?
I am a person who pretends to be someone else
I have memories but none of my own whatever's on my inside is what is shown. If I'm ever different it's because you changed me I feel like a decoration here for you to arrange me.
I have a strong affection for belly buttons.
What can fill a room but takes up no space?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.