Hi,i am female 21yrs old(unmarried),i am 96kgs weight,i did a lot more exercises in gym,swimming,tennis from my teenage,once i came to 75kgs after heavy work,and now i put on weight again,and i am now irritated with gym,it made me fat than first,plz suggest me fat burning pills or something which keeps my body weight constant for my life time,plz plz plz