If you need motivation to lose weight you should find a method that you like, that arises your interests, and challenges your ideas and beliefs.
One of the main reasons I became a weight loss management coach was after seeing that most programs failed to motivate people enough for them to succeed in following those programs.
I wrote an article about this topic that has been publish in the blog www.learnevolveandthrive.com. You can read it here: Do you need motivation to lose weight?: How to get motivated when you don't feel like it.