It means like don't over use it or don't under use it. Use it for when you need it and when its important rather then use it for something that doesn't matter.
Answer:
The answer is most likely "a dynamic character".
Explanation:
Dynamic simply means that the character changed, or, in this case, experienced growth. Contrast this with a "static" character, whose character doesn't change much or at all throughout a story.
It compares and contrasts ideas Or it’s either it helps me visualize what the author is describing
I believe “Is that blood on me or blush?” :)
