Constant hunger

Hi mommies I gave birth to my baby girl almost 3 months ago (c-section). I pump 5 times a day and breastfeed once every few days. Between 2-4pm EVERYDAY I'm hungry. Mainly a craving for sweets, but savory works too (pretty much anything UNhealthy). Many moms tell me it's normal because I'm pumping and breastfeeding and not to worry cause I wont gain the weight as long as im breastfeeding. But what about after?! I'm scared for when I stop pumping/breastfeeding....I heard the weight piles itself on then. Any advice? Suggestions? Personal experiences?