Why should we. . . constantly worry ourselves. . . as to what should be done and how, and what should not be done and how not? We know that the train carries all loads, so after getting on it why should we carry our small luggage on our head to our discomfort, instead of putting it down in the train and feeling at ease?
I feel like people are not cut and dry, in real life. Some people do cheat, but it doesn't mean that they don't love. Sometimes in movies, it's one or the other.