Answer:
The more you take, the more you leave behind.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes.
My first is twice in apple but not once in tart. My second is in liver but not in heart. My third is in giant and also in ghost. Whole Iโm best when I am roast.
A time when they're green. A time when they're brown. But both of these times, cause me to frown. But just in between, for a very short while. They're perfect and yellow. And cause me to smile.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.