For the record: You ARE adopted, and that's TERRIBLE.
Wheatley and GLaDOS sapping poor adopted children of their will to live. Woe be to anyone with the reckless audacity to enjoy the delights of satirical, rogue machines with artificial intelligence and the will to slaughter and kill... but without the sensibility to respect their victims' feelings. Light me on fire, pump me full of lead with machine guns, burn me with lasers, or crush me with spiked metal plates, fine. But mention my birth mother abandoning me as a child and you've gone too far. Portal 2 Official Website: http://www.thinkwithportals.com/