Thanks for query,
I appreciated that you have confessed your weaknesses about your health and diet accuracy.
Dear,you have to go for oral antidiabetic
medicines as prescribed your doctor and regular blood sugar testing too.
Go for strict diet control,avoid fat and carbohydrate
from your regular diet.
Go for regular exercise as you are lazzy about.go for walking,swimming,jogging etc daily for 30-40 mnt 5 days in a week.
Actively involve in daily physical activities.
You father and other relatives are having diabetes
so it is likely with you,by thinking this way you should not avoid medicines thinking that with diet and weight control you will control your diabetes and become alright.
To prevent diabetic complications diabetic control is a must and this can be achieved with diet,weight reduction and anti diabetic medicines.
Continue with hypothyroid medicine too.
Ok and take care.