I put out a poll on Instagram ( @OceanFitStudio)  last week asking what content my followers would like to see. Calorie Deficit was one of the things that popped up a couple of times. 
I always find this hard to explain as its just so simple yet so hard for may people to grasp. 

It really is a simple case of eat less than you burn off. 

Check out this video for a little bit more clarity and let me know what you think of my dog illustration!