Answer:
What does no man want, yet no man want to lose?
This is rectangular, hollow and has a lid, and where youβll find it you might wonder, it is just six feet under. What is it?
In the night a mountain, in the morning a meadow.
Runs smoother than any rhyme, loves to fall but cannot climb!
What stays the same size no matter how much they weight?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?