Answer:
What always ends everything?
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves everyday
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. What am I?
What has a thumb and four fingers but is not alive?
Crooked as a rainbow and slick as a plate, ten thousand horses can't pull me straight. What am I?
Why was the cook arrested?