Answer:
Men have one, women two, and when they become family, it’s three. What is it?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.
When you stop and look, you can always see me. If you try to touch, you cannot feel me. I cannot move, but as you near me, I will move away from you.
What's as small as a mouse but guards a house like a lion?
Twigs and spheres and poles and plates. Join and bind to reason make.
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?