Answer:
In the sun I like to play; in the rain I goes away; walk or run I always follow; in the mud I always wallow.
What has many teeth but can't bite?
What is at the end of a rainbow?
I will disappear every time you say my name.
In my life I must bare, my bloodline I must share. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?