Answer:
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.
I have legs but never walk, I may have flowers but no soil, I hold food but never eat.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.
Slayer of regrets, old and new, sought by many, found by few.
Hard to catch, easy to hold. Can't be seen, unless it's cold
What covers its face with its hands, speaks no language, yet most known what it's saying?