Try to begin your diet to gain weight now. The farmers almanac advises that you do diets to gain weight during the waxing moon and the moon is waxing now. Farmers' Almanac Best Days I've been using the Moon to experiment with my body image and hair growth My Royal Family 4: Beauty By The Moon (Diet, Weight Loss And Long Hair) Also try to mix fat and carbs. Have a meal right before you go to bed. Make sure you sleep right after eating.