It depends on the situation. If he has done a serious offense, then my answer will be "NO". But I will definitely get him admitted to a hospital or at-least hire one nurse who will take care of him, and then leave. It is only for the sake of humanity. But sometimes, it has been seen that, when a person takes care of someone, specially when his or her partner is ill, then it creates a kind of emotional attachment between two of them. So if there is any type of misunderstanding or a mental distance that has occurred due to any past behavior, it gets eliminated and eventually the relationship starts to improve.