Answer:
I am a word with 5 letters. Bold are the first; true are the second; playful are the third; clever are the fourth; forceful are the fifth.
In my life I must bare, my bloodline I must share. What am I?
I keep things green and keep kids happy during summer time.
If I have it I don't share it. If I share it I don't have it. What is it?
Mr. and Mrs. Mustard have five daughters and each daughter has one brother. How many people are there in the Mustard family?
What goes up the hill and down the hill, And spite of all, yet stand still?