Good practice of choosing diet food

I like to share good practice of choosing diet food. You may try to impliment this way to choose for your menu daily.

1) Dont eat meat together with milk

2) Dont eat meat with fish

3) Dont eat fish with milk

4) Dont eat chicken with milk

5) Dont eat fish with eggs.

6) Dont eat fish with salad

7) Dont eat milk with fruits

If anyone have implement this or any other ideas, please respond/comment  on my guidelines to choose for our foods.