Answer:
I never was but am always to be, and everyone looks forward to me
Brings you May flowers
What object has keys that open no locks, space but no room, and you can enter but not go in?
What is not a ball but yet a sphere, and holds all lands and people year after year?
Kids play it and Michelangelo sculpted with it.
When someone uses this acronym, you know you've got to pick up the pace