Based on the given statement above, in my opinion and own observation, I would say that I agree. People work because they need to sustain their daily needs, and because of that need, most people try to take as much as they can to support it. Giving back becomes little because there is only little that is left from work too. Hope this answers your question.
It comes after one of the “and” words
Yes this is punctuated correctly
Because he was getting sick so now she was worrying a lot for panned