Answer:
They belong to me; they belong to you; They can make you feel happy or make you feel blue; They never end until the day you do.
In buckles or lace, they help set the pace. The farther you go, the thinner they grow.
What force and strength cannot get through. I, with a gentle touch, can do. Many in the street would stand. Were I not a friend at hand.
You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?
Break it and it is better, immediately set and harder to break again
What do you called a sad coffee?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?