I Am A Type2 Diabetic. I Enjoy Healthy Living Style

I am a type2 diabetic. I enjoy healthy living style and using sugar tablets on daily basis. I do regular body building for 4 years. My weight is 73 kg always. My question is I want to increase my body weight to 80kg but however I eat does not help. I am having little hydracele issue also there. Does it arrest my muscle growth. Advise me I want to increase my weight To 80 kg. my emailid: YYYY@YYYY