Answer:
You use a knife to slice my head and weep beside me when I am dead.
I always follow you around, everywhere you go at night. I look very bright to people, but I can make the sun dark. What am I?
I am black of eye and bright of hair. I fast into the ground and follow my lord as he races around the world. What am I?
Man walks over, man walks under, in times of war he burns asunder. What is it?
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
A little house full of meat, no door to go in and eat.