It is not compassionate to laugh at someone who cries.
Luke had a busy day at work and is glad to be home.
Luke wants to talks to his girlfriend Helen about her day.
Luke talks to Helen, when he realizes she's had a bad day because she starts to cry, he comforts her.
Luke asks Helen how her day went, she starts to cry because she had a bad day, and he laughs at her.
Helen feels a lot better because Luke showed concern for her.
Helen feels even worse now, because Luke doesn't care that she is crying.