You dress up as Kirk. You go to the cons. You are fluent in Klingon and Romulan (and not just when youre drunk). You regularly get into arguments over the number of episodes in TOS, and whether Voyager or DS9 sucked more. You, my friend are a Trekkie.
But for the full experience, you should buy this apartment for a cool $1m. This man has converted his entire apartment into the bridge of the Enterprise and is now offering the flat (its in England) on eBay.
Features include voice activated lighting, automatic doors, and sound effects from the series. Engage!