Answer:
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
I have three feet but I cannot walk. What am I?
I am a fruit with seed on the outside. What am I?
Of the king I am blue and of the peasant I am red. Of the frog I am cold and of the dog I am hot instead.
You throw me out when you use me and take me in when you are done.
A little house full of meat, no door to go in and eat.