Even if you are no where near your goal write your success story now. Use lots of details about how you lost the weight, why you lost the weight, how you feel being at your goal weight, and what you've done to maintain your loss. When you are in need of some motivation, read your story and picture yourself at that future moment and know that you are on the road to that reality.
Wayne Dyer and Deepok Chopra have nothing over YOU baby!!! Make your own homemade motivational pep-talk that covers all your current gratitudes and goals with or without background music. Listen on your commute to/from work, grocery store, etc. Keeps the mind focused and excited!
Have you picked a Lifestyle Change to work on, are trying to make it a habit, have reduced it down to baby steps; yet you are still having issues?
Daily, when you are going to a social situation, or anytime, Select a manta to guide you through. Pick a phrase or word from a Spark Friend's communication and then envision that person giving you support to go on during the day.
Right before I fall asleep, I close my eyes and envision myself slim, trim, and engaged in an activity that I plan to be great at. Sometimes, this "daydream" will catch on, and it will continue into my actual dreams as I sleep during the night.