What is the funniest joke? What is the relationship between husband and wife?

Humor depends on whether the speaker is interested and whether the listener understands, otherwise it is empty talk.

The relationship between husband and wife is not clear in one or two sentences. Generally speaking, the relationship between husband and wife is that two unrelated people form a family and go hand in hand in life. Mutual understanding, mutual help and sex are the key factors to maintain the relationship between husband and wife.