Answer:
Ten men's strength, ten men's length. Ten men can't break it, yet a young boy walks off with it.
In your fire you hear me scream, creaking and whining, yet I am dead before you lay me in your hearth.
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.
The more of it there is, the less you see.
the day before yesterday tom turned 15 next year he will turn 18 when is his birthday
Special abilities and brightly colored underwear are all you need to be one of these.