The reason is simple, because in the end, Philip, a rich man, understands that one can't stay with oneself forever, and everyone has his own life. For a black man, he needs to be with Philip for 24 hours. Although it is said that it is for high salary, in the end, the two are no longer just masters and servants, but more importantly, they are close friends.

Friends who have seen it all know that in the story, the man Philip accidentally lost his legs in a skydiving and spent the rest of his life in a wheelchair. At this time, his wife died, which made Philip collapse. At this time, he needs someone who can accompany him 24 hours a day. Driss, who just came out of prison, was chosen. Two people collided with each other from the beginning, all kinds of contradictions, and then slowly told each other their inner world, and finally.

However, in the end, driscoll's younger brother became more and more disobedient, and even got into a lot of trouble, even fooling around with drug dealers. When the rich Philip knew it was time to let go, the black man should also have his own freedom to handle his own affairs. More importantly, after all, black people have helped him regain his old self-confidence, so he disdains black people.