So what's different for you this time?
If you're like me, you've tried to lose weight before. Maybe many times before. The last time I made a real effort to lose weight was in 2011...I cut back drastically on my eating, ate 800-1100 calories a day and was hungry from the time I woke up until the time I went to sleep. Constant, gnawing hunger. I lost only 17 lbs in four months and gave up because it just wasn't worth all the suffering for a loss that seemed like a drop in the bucket. Basically, I burned out (and of course gained it all back, with interest). This time, I'm averaging 1400-1600 calories a day and have lost at a greater rate - 19 lbs in three months. By eating at a much more sustainable level, I'm not ravenous all the time and I can see keeping this up for the duration and beyond. Plus it appears that my body is more willing to let go of some fat when I eat more.
Secondly, I've adjusted my expectations to something much more realistic. I know it'll probably take well over a year to lose the 80 lbs that I want to lose. By not putting myself on a strict schedule ("must lose x-amount by x-date") I'm not crushed every time I step on the scale and see no change, and I don't freak out if it's a little bit up from the last time...as long as the scale is generally heading downward, I'm happy. Every time that number drops even a little, it's a victory. I've started appreciating each tree I've chopped down instead of just stressing about the size of the forest.
How about you? What are you doing (or how are you feeling) differently from when you've tried before? Why's it going to work this time?