Read the following article and answer the question by choosing from the options.

It 's not TOPS , I 'll tell you that . And that 's enough to make me love it . = ] But yeah . It 's like 4 in the morning or something , I ' m not sure . I was talking to Danny , but my brother got sick at his friends house , so erica and I had to go pick him up . I know I ' m not going to be getting to bed anytime soon .

What may be the reason for them not going to bed ?
OPTIONS:
+ They are with their boyfriend .
+ None of the above choices .
+ They need to take care of their sick friend .
+ They need to take care of their brother ....A:
They need to take care of their brother .