Answer:
I have a strong affection for belly buttons.
I am your most powerful weapon; I come before your eyes. I help you seek the truth, yet I often give you lies. What am I?
What can you lose that will cause other people to lose theirs too?
I am carried by mad animals.
I have a lot to say but can't be heard because I can't speak one single word. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.