Are you a compulsive collector searching through internet early morning and night to hopefully add to your collection, as "I" do?

With the advent of the internet, life has been easy trying to find stuff on the Web. Or has it? I've been buying most of my collection(s) from eBAy and other auction houses as of the past 10 years. Who knows how many hours I've spent bidding, researching and searching the web. I mainly collect raw/CGC Marvel comics, sport cards and memorabilia, overfilling my office.

I wondered what drives others to collect as I do. I mainly started because I always loved superhero comics when I was younger and I figured it would be something that I could pass on to my children and grand kids one day. But now, I think I have enough to perhaps to just stop, but for some reason i'm just more driven to collect the best.

Is it a passion or compulsion? What makes you collect? And are you compulsive in buying for a good enough reason?