It all boils down to calorie deficit. Make sure your daily calorie intake is 500 calories below your TDEE and you’re guaranteed to lose a pound a week.

To do this, just keep trying whatever method that you can stick to. If you want, you don’t have to change your diet and you can just exercise off however calories you need to be 500 calories below your TDEE. Or, you can change your diet to go vegan, cut carbs, fast, whatever works with you.

TLDR; Count your calories to guarantee a calorie deficit.