Answer:
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
My first part compliments people. My second part makes things known. My third part hurts feelings. My fourth part may hold a precious treasure. My fifth part is used when sharing fancy beverages.
Railroad Crossing, look out for the cars. Can you spell that, without any R's?
I only exist when you are here. Where you never were I can never be.
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.