Chris Pratt slimmed down for Guardians of the Galaxy with a lot of exercise, but he made sure to ditch one beverage and replace it with water. “Six months no beer,” Pratt captioned this Instagram post. Instead, he drank a lot of water along the way. Water is very important for a proper weight loss plan, but it does have one side effect: “I was peeing all day long, every day. That part was a nightmare,” said Pratt.