You Know You've Been Doing Too Much Hammer When...
You go outside and it's suddenly really bright. You blame it on HDR.
I tend to think about mowing the lawn in terms of path_tracks. It just makes things easier.
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You admire the beatifully drawn shadows of trees on the boardwalk on sunny summer days.
A map pack coming soon. - click for more information
you see people in movies and say, "That looks like Chell" and start making stupid portal jokes about her.
Aperture Science: We do our science asbestos we can!
... you find yourself posting in this thread.
...or reading what other ppl wrote in this thread in order to make yourself feel less freaky 
useful tools and stuff here on TWP 
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I'm pretty sure that everyone here is an exaggerated hammer freak. But do I notice misaligned textures in real life? Nope.avi
Although... sometimes I dream about cheese hammer.
Same here! I only got my custom box droppers working after I had a dream in which I opened Hammer and built them, including the info_target parenting thing.
Really? That's very surreal lol...
My best ideas for mapping come late at night when I'm trying to sleep, and usually I have to force myself to remember, which is in large part a cause of my insomnia...
That said, I don't think I've ever dreamed about building maps. That's very weird haha
My God, Kal, really? Same here!! Most of my best puzzle ideas has come to my mind right in that same moment, when you're all alone (you leave your girlfriend sat on the sofa in front of the tv), close your eyes and think over a puzzle element until you find a nice way to use it, or you find out how to prevent an intended way you found in your own puzzle sketch you have in your mind so that everything is now pretty tight... and then you're so excited that you want your girlfriend to go to bed so you can carefully slip away after thinking she's asleep to reach your computer and map it because you're afraid that the idea could just vanish if you get asleep... 
I'm so freaky!
useful tools and stuff here on TWP [spoiler]
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