Answer:
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.
I turn everything around, but I cannot move. When you see me, you see you! What am I?
I am slim and tall many find me desirable and appealing they touch me and I give a false good feeling once I shine in splendor but only once and then no more for many I am to die for.
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
What can you catch but not throw?
I flow from the Homerβs mouth when he sees doughnuts.