When...
You can remember the location of all scenarios in your installation.
You play the same mission multiple times a month.
You wonder why the Orbiter never makes it into "game of the year" articles.
Any time you pick up a walkie-talkie or two-way radio, the first thing you do is to repeat ATC sounds from Oriter
Whenever you went anywhere outside with your friends, you think about using RCS when changing direction as you walk with them.
You've written several letters to the US and Russian President recommending to start a space project you saw in orbiter.
In college, after several hours in class, you think about EVA out of your class.
When trying unsuccessfully to snare that last Cheerio floating in your cereal bowl, you remarked, "darn with realistic physics!!"
On Halloween, you would like to dress like an DG crew member.
You've been pulled over by a policeman, and when asked to see your driver's license you replied, "I can make a slingshot around solar system and you are going to ask me for my driver license to see if I know how to drive?." And when he asks about your two friends in the back "I could jettison them for a colder reentry, if you want."
You dropped your religion and now live the Orbiter way.
You downloaded all Orbiter videos.
Whenever you buy a new appliance in US, you answer in Russian.
Whenever you catch sight of cars behind yours, you say "let's brake to set some distance from him"
When a cop catches you speeding, you floor it, saying "I have piloted at 7.5 km per second and no one stopped me before"
You ride your motorbike at top speed, and jump off with your back pack, thinking that it will let you fly.
You open and close elevator doors and think of it as airlock operation.
You have a DG figurine replacing the brand symbol on the hood of your car.
When accelerating your car to enter the freeway, you tell your passengers to strap in and prepare for take off.
You have so many addon files that you're rapidly running out of disk space and have to buy a bigger hard drive just to hold them all.
You have so many screenshots printed that you can't see your ceiling or floor, either.
You went through a state of depression when your vessel crashed at destination planet.
Your father asks you how fast your car is, and you reply, "Fast enough to escape from Earth, old man!"
You could have sworn you saw a Shuttle A container falling from sky during your trip to the grand canyon.
You refer to getting off the freeway as coming out of orbit.
You are a good pilot, but only lack the proper training.
By intense study you have actually figured out the location of every widget on a Delta Glider.
You argue about whether Orbiter is game or simulator.
You nickname your car the Big Space Plane.
When your mom asks you to clean your room, you say "when I reach Neptune"
You call your boss/teacher "ATC"
You went to the nearest recruiting center and asked to be assigned to a Delta Glider squadron
You have ever thought the world would be a better place if it was like Orbiter universe.
You now want to become an astronaut to see if all Neptune moons are spherical as shown in Orbiter.
Instead of saving for college, you save up for Orbiter cockpit you plan to build.
When your alarm clock goes off in the morning, your reply is, "I missed the launch window!"
You've ever found yourself in a chat room, training a new orbinaut.
You actually get these jokes and pass them on to other friends who are addicted to Orbiter.