I was addicted to games as a kid. I am old enough that I had an original PONG, Atari 2600, 7800, NES, etc when they came out back in the day.
After college I gave up games (for the most part) because I wanted to get things done around the house instead of plopping on the couch all the time to crack out on games.
My ex girlfriend a few years back wanted a Wii — and I felt like it would be okay since I am not a huge fan of the "get up off the couch and flail my arms around" kind of gaming. I did pick up a few games that I liked for it though and was semi-addicted until the fun of having a new game wore off.
When I broke up with her, and started a new job I absolutely hate over a winter — I started feeling nostalgic and picked up a few vintage consoles and games I used to love. That snowballed into having over 14 vintage consoles, all the new consoles, thrifting and craigslisting for games, and the game collecting has become as much of a "game" to me as the games themselves (and I even like my Wii now LMFAO).
Right now the game collecting is somewhat of a "coping mechanism" for my mindset after leaving the crappy job (something fun to do) — and I buy 5X more games than I actually play. Half of my collection are games I've yet to play once since picking them up.
That is mainly because I have limited time to sit down, and games like GTA V are so involved I might spend a month playing one or two games.
Right now I have 16 consoles hooked up to an HDTV with switch boxes and fairly nicely done (my girlfriend has no idea how to even watch a TV show with the myriad of switches and remotes involved) — and I am in the process of boxing loose games and making it a really nice "showpiece" kind of a collection as I go.
My focus has been mostly "re-claiming" all the games I loved as a kid, and picking up complete sets of games / or themes I like — such as "Star Wars," "Grand Theft Auto," "Racing," "Soccer," "Any Games with Adult humor I wasn't supposed to have as a kid" etc etc.