They're ALL like that. I used to do social work too. I gave up after finding out that none of them I dealt with were willing to help themselves.
There was this fat Maori lump of shit that I tried to help. He could not work because he was always sick. He received benefits because of his illness but the case was brought to my attention because he had ended up in debt.
I told him the first thing that he needed to do was lose 50Kg and stop wasting his money on smoking. All his health problems were related to being overweight plus his other disgusting habits... ie hypertension and type 2 diabetes.
2 weeks later I visited him again. He was still smoking and had not done a single routine that I had mapped out for him to lose weight. He said he needed good walking shoes. I gave him $100 from my own pocket to buy shoes... that was a big mistake.
A month later... still no walking shoes. Turns out he used the money to buy cigs instead.
This is one case. I had many more similar that I experienced first hand. Other social workers that I work with all have similar stories.
It boils down to this :
1) They have no will power.
2) They can't break out of their addictions.
3) They refuse to change their diets or their spending habits.
If I could subject them to military law and put them through boot camp. They'd all come out much better off. The touchy, feely, softly, softly approach does not work. They simply take advantage of the help they get and refuse to make any changes themselves.