Answer:
They belong to me; they belong to you; They can make you feel happy or make you feel blue; They never end until the day you do.
What can you catch but not throw?
What can't you see, hear or feel, until its too late. What shadows love, and shopkeepers hate?
I do not breathe, but I run and jump. I do not eat, but I swim and stretch. I do not drink, but I sleep and stand. I do not think, but I grow and play. I do not see, but you see me everyday.
Only two backbones and thousands of ribs.
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?