Answer:
Light hides me and darkness kills me. What am I?
I am what bring things together. Without me everything you see would be a total mass or debris everywhere.
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.
I have thirteen hearts but no body or soul.
I am a nut with a hole. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.