I flat out forget to eat very often. After getting married, my wife helped to make sure that didn't happen, but she is out of town for a few months, and this morning I realized I hadn't eaten anything all weekend! She has only been gone for two weeks, and I can see my ribs showing through the skin more and more. Maybe I should get some Ensure or something. I don't forget to drink, but don't seem to think about eating. I never really feel hungry, either, even after days without food (at least not since I quit smoking the dope back in high school).
When I do remember to eat, it is usually just whatever is the most convenient. I have even eaten dry ramen noodles before, just because I was thinking about something and knew that if I took the time to boil water, there was a pretty good chance I could completely forget. I really don't seem to enjoy/dislike any type of food. I guess I just use the "will it make a turd" method of food choices.
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"The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently" -Nietzsche