9 confusions interesting

9 interesting confusions :s
1. Can u cry undr water?8-|
2. Do fishes ever get thirsty?:s
3. Why dont birds fall of trees when they sleep?/:)
4. Why is it called building when it is already built?:/
5. When they say dogs food is new and improved, who tastes
it?=))
6. If money doesnt grow on trees then why do banks have
branches?:x
7. why does round pizza come in a square box?:p
8. Why doesnt glue stick 2 its bottle?:>
9. "I Love You" is not a question thn why does it need an
answer?:O=)) ! !