When you've been playing FFXI every moment you have free time. Then when your RL friends call you to hang out you tell them you are busy because you have a Linkshell meeting, or you have to get that next level, or farm that money for your new equipment/spells.
Then one day, they call you up asking to hang out, but you tell them you are helping your mom clean the house, but your really playing FFXI behind their backs trying to fool them so they don't bother you and your precious play time. 20 minutes later the door bell rings, and they barg into your house, and find you infront of your computer, unshaven for 5 days, haven't showered for 3 days, toe nails/finger nails really long, and your only wearing underwear...