consuming moderate alcohol and lifting weight is 10X better than being teetotaler but never hitting gym/exercise . alcohol damages liver which has tendency to regenerate . but once you have blood pressure and sugar (mostly due to lack of exercise ) it damages all vital organs and ultimately you die with expensive bills behind .

if your father is on constant /109 range, he defiantly is on medication . with such medical conditions, if he is not motivated in exercise , changes are he is in depression . the #1 cause of lack of motivation in anything is depression. have him checked . .