Answer:
I can run but not walk. Wherever I go, thought follows close behind.
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
What is it that was given to you, belongs only to you. And yet your friends use it more than you do?
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.
What goes in the water red, and comes out black?
I am your mother's brother's only brother in law. Who am I?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?