You Know You've Been Doing Too Much Hammer When...
>.<
I've seen a misaligned textured dressing room that had a fun house mirror, all the walls were green and white dotted, and the actual changing rooms don't have mirrors (funhouse mirror in the hall). That is probably the worst architecture I've ever seen myself
>.<
When you deliberately mis-align textures in a portal 2 bathroom. Because it's more realistic 
Hahahahahahahaha
useful tools and stuff here on TWP 
[spoiler]
[/spoiler]
Portal 2 isn't realistic. Maybe the bathrooms are made of panels and the sinks are connected to the pipe network.
Image one day it malfunctions, and cubes start exploding out of the sink.
Whenever I play a game, sims 3 , Spore, tf2, fate TS, gmod, or other fun/easily moddable games, I always think about how it would be possible to make them in portal 2.
Aperture Science: We do our science asbestos we can!
When you see a door you've never had the need to open and assume there's just a black void behind it.
Or you think about noclipping to see if a pipe is clogged or something.
When you have a feeling that some of the newer users aren't reading the forum rules.
(Alright, seriously, I think my irises function like vertex textures. They keep on changing colour).
You try to shift drag something in Microsoft Word to copy it
When I use the word "Hammer" more than I use it in the carpentry room.
When you have 428,809,472 square inches of brushes and 208,693,376 square inches of displacements