Answer:
I may only be given but never bought. Sinners seek me but saints do not. (one word).
I am the kind of fish that chases a mouse.
I go in hard come out soft. Blow me hard and I’ll make a pop.
I have a name that's not mine and no one cares about me in their prime. People cry at my sight and lie by me all day and night.
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.
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic