bettie jo , 24 , from houston , was morbidly obese at almost 47st -lrb- 660 lbs -rrb- .
husband josh tended to her basic needs including showering and eating .
last year she was given bariatric surgery .
husband sabotaged her efforts to diet as still wanted to feel needed .
relationship therapy and near death scare helped couple back on track .
with josh 's help bettie jo now weighs 35st 8 lbs .