Sentence 1: My younger sister is a complete codependent. 
 Sentence 3: She doesn't have a job, therefore our disabled parents support them 
 Sentence 4:  I have tried to help her with teaching about Government assistance 
 Sentence 5:  You just can't help people that won't help themselves 
 Given Sentence 2: She is almost 40 years old, has two children, and still lives at home.