Answer:
What contains zero calories, but if you consume it, you will probably gain weight?
In buckles or lace, they help set the pace. The farther you go, the thinner they grow.
What word is a plural, but when you add an "S" to the end, it becomes singular?
What goes up when the rain comes down?
What is so fragile that saying its name breaks it?
What never gets any wetter no matter how hard it rains?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?