See David Harbour's advice on His Health and Weight Loss

If you've watched the new fourth season of Netflix's Stranger Things, you've probably noticed a lot of major changes in Hawkins

especially for David Harbour's Jim Hopper, the town's burly police sheriff

As he told GQ, David worked intensely with his personal trainer to go through eight months of training 

including following a rigorous exercise and diet plan — to manage the dramatic

accelerated weight loss and better reflect the trials Hopper faced as a starved prisoner in Russia.

"My trainer [David Higgins] worked with me for 8 months to make the transformation, and then another year to keep it through the pandemic," 

he shared in an Instagram post posted in July 2022. 

"All told it was a difficult and exciting ride, changing diet and exercise plans (or lack thereof).