Like golf advice, there are all sorts of diets and workout plans you can do, and they probably all work to varying degrees. My advice, not as an expert but from a golfer-to-golfer, would be to pick something that works for you based on what you like to eat, and your overall lifestyle. And when you do, stick with it.
Again, it all goes back to your comfort level, but everything I’ve read suggests staying away from restrictive diets. I’ve got a sweet-tooth, and if I tried to cut out chocolate altogether — that just seemed like a recipe for failure. There was nothing I had to eat or couldn’t eat. If I wanted something super unhealthy, I just had to budget for it.
I read some stuff about this, and it turns out drinking lots of water is a very real thing. It speeds up your metabolism and helps your body function better. I thought I was drinking a lot of water before, but when I started tracking my water intake, I quickly realized I wasn’t drinking enough. Now I’m drinking about 120 fl.