Answer:
I am in the past never in the future. I don't exist but have existed. I saw what you saw and that is what I will ever see.
I may be made of metal, bone, or wood and have many teeth. My bite hurts no one and the ladies love me. What am I?
The person who makes me doesn't need me. The person who buys me doesn't use me. The person who uses me doesn't know it. What am I?
I am a precious stone as clear as diamond. Seek me out while the sun's near the horizon. Though you can walk on water with my power try to keep me and I'll vanish in an hour.
I am owned by every man, though my length differs. Their wives use me after getting married. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.