I think it goes back to cavemen days, then they collected food for survival.

Some people are interested in collecting things like.....stamps.....matches....coins. After many years they will be antiques so cost more.

I like all the answers. My wife collects everything she has ever owned. I am so not the same and it drives me nuts. We have a room full of dresses she will never wear again.

Hi I think we can call that "survival instinct"...

For some .. Its a pass time Hobby Business (exchanging/selling items) Obsession Habit with no real meaning Influence - Some people do it just because others are doing it around him/her :)