Original post by uJoshBranson in rEarthPornnbspThis crosspost was performed automatically as a part of the ImagesOfNetwork . Learn more about the ImagesOfNetwork , how you can help , and other Frequently Asked Questions , or visit us on Discord ! Remove my post ! The bot got this one wrong ! Stop Crossposting My Stuff ! # match Indian <| sep |> I don ' t know the why ' s , but I can shed light on the what . Exercise inhibits the hormone ghrelin which is responsible for increasing your appetite . I could be absolutely starving before going to the gym , but during and about 90 mins after my appetite will completely disappear . Obviously I don ' t make it a habit of being hungry before the gym but on the odd occasion when it does happen .