根据下列情景写6句话的作文
Caller:l'mAdamGreen.MydoctorsaysthatI'mnotingoodshapeandIneedtoloseaboutfourahdahalfkilos.Idon'tlikesports.Doyouhaveanyadvice?
Someonecalledaradioprogramforsuggestions.Whatadvicewouldyougivehim?Pleasewritealettertohimaboutyouradvice.