Jim Gaffigan said that growing vegetables encouraged him to eat them.Taylor Hill/WireImage via Getty ImagesBesides taking Mounjaro, a weight-loss drug, Jim Gaffigan found that gardening benefited his health.He said gardening encouraged him to eat healthier and helped him achieve his fitness goals.Incorporating more vegetables into the diet can increase happiness, according to a nutrition expertJim Gaffigan's hack to eating more greens is to grow them himself.In an interview with Men's Health published on Tuesday, the comedian opened up about his weight loss."I've always been kind of a compulsive eater," he said in the magazine's "Eat Like" video segment.