Based on the context and the answer, generate a question. 

Context: I bought him some sprite ( now he 's down to $ 2 ) and watched TV with him for a little while before I convinced him to go to sleep and I went back home . I ' m just so worried about him . It 's like when I get sick , it 's bad just because no one likes to throw up and it 's bad for baby because I ca n't eat . But when Max gets sick .... It 's like .... He has heart problems , chest problems , immune system problems .

Answer:

Because of all of the medical conditions he has .



What may be the reason why she is so concerned about her friend being sick ?