OK, So its actually pretty easy

1. Concentrate more on the sounds and smells around you

2. Next when you can, Close your eyes and try seeing without your eyes(in 3D)
After some practice you can see beyond the 3D.

Lastly but not least, When you eat, Focus on the energy(positive of course).
Focus on the molecules from the food being absorbed into your body becoming a part of you.

Thats how you eat less and still be energized.

I have another exercise that will show your progress if you would like for me to share?