Jim Carrey Needed a Special-Ops Trainer to Get Through Filming ‘The Grinch’

Though 2000’s How the Grinch Stole Christmas ended up being a huge hit, the experience of making it was not a fun one for Jim Carrey. In fact, the comedian came very close to walking away from the production early on because of the costume and the grueling makeup process. “The first day in makeup…