Answer:
You can only have it once you have given it.
A precious fluid, thicker than water.
I do not breathe, but I run and jump. I do not eat, but I swim and stretch. I do not drink, but I sleep and stand. I do not think, but I grow and play. I do not see, but you see me everyday.
Voiceless it cries, wingless flutters, toothless bites, mouthless mutters.
What word is a plural, but when you add an "S" to the end, it becomes singular?
What never gets any wetter no matter how hard it rains?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?