I could honestly never let myself get to an obese point. I look at myself all the time and see what "could be" or "should be" even being as thin as I am. I'm too "aware" of my status to actually let myself get that way. Seriously, not a single cookie goes unpunished with me.
Just want to point out - you don't always have that choice. If you develop a thyroid problem or have to go on medications that cause you to gain weight or.. I don't know... get over the age of 30 and have a metabolic change, you won't have the choice of whether you gain weight or not. Not everyone is overweight because they just "let themselves go". I was well underweight (5'9 and staying between 115 and 120) for yeeeeeeeaarrrrss and I ate whatever I wanted. Then I had to start a certain medication and I passed the 30 year mark... I'm not 120lbs anymore and no matter how I eat or exercise, I can't get rid of the weight I've gained.
And EVERYONE is different. Some people can cut down on carbs and lose weight, some can do 5 small meals and lose, I use to just watch my satruated fat intake and kept my weight down. What works for one person isn't going to always work for the next.
Btw, for those trying to gain weight - eat donuts and cheese. (Not together though, ack.) I swear, when I tried to gain weight, that's worked for me.