...you go to pack for PAX and have over ten nerdy/gamer tshirts to take with you
...you're going to your fifth PAX straight...and your third BYOC...
...you don't wait in line to have your stuff signed because you've already had it signed several years ago
...you purchase and carry around a four foot wooden sword because it's pretty
And of course, you name your three dogs Curzon, Jadzia, and Ezri.
And when you run pairs competitions with Curzon and Jadzia, you enter the team name as The Dax Symbiosis.