Answer:
Not a burden for its weight and daily carried out, He who takes it wishes it had never come about
I'm not man's best friend, I'm their enemy, I can mark your end, yet you do not see me, I am very small, but very tough, If you have me, then you have it rough.
If you spot one of these eastern warriors, they're not doing their job right.
What surrounds the world, yet dwells within a thimble?
So cold, damp and dark this place. To stay you would refrain, yet those who occupy this place do never complain.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.