Just out of curiosity, what motivates everyone? I find motivational quotes and this forum helpful. My personal favorite motivational quote- "nothing tastes better than slim".
Weight loss seems natural to me. Thinking of how some people don't even know when they'll eat next helps me realize how much I used to overeat and how I'm lucky to be overweight.
Being healthy and being able to do whatever I want without getting tired. For example, it's hard for me to play sports without getting tired quickly, even if I'm good at them.