A friend of mine slimmed down a LOT and when I asked her how she did it, she said she changed just one habit.
She never eats after 6 pm. (and drinks a lot of water).
It’s HARD to fast for 12 hours every day! (6 pm - 6 am)
I almost do that. I should probably get more exercise. It’s just that the summers are so humid and so hot here.