Men usually don't get fat as easily as women, because men are destined to be animals that consume calories, while women are animals that accumulate calories, because men mainly take them out to make a living and support their families, while women accumulate calories and fat to reproduce. If you want to make a man fat, unless he has a bad spleen and stomach, you can improve your appetite and increase your volume through Chinese medicine. Otherwise, you can only wait until the man is in his 40 s and the hormones begin to change.