Here are a few reasons why this is so:

Humor helps relieve tension. When conflicts or misunderstandings arise in a relationship, passions can reach a critical point. Humor can help relieve tension and allow both parties to relax and look at the situation from a different perspective.

Humor strengthens the bond. When people laugh together, they feel close to each other. Humor can help create an emotional connection that helps strengthen relationships.

Humor makes life more enjoyable. When people laugh and joke together, life becomes more colorful and interesting. This can help create a positive atmosphere in the relationship and make it more enjoyable.

Humor helps overcome difficulties. When difficulties arise in a relationship, humor can help overcome them. It can help make a difficult situation easier and more understandable for both partners. Humor can help reduce mutual annoyance and improve mood, which can help you cope with any difficulties.

Humor helps reduce conflict. Humor can help reduce the tension that can come up during a conflict. When people laugh together, they can start to see the situation from a different perspective than just their own. This can help resolve the conflict and reduce the likelihood of it recurring in the future.

Humor makes a relationship more interesting. When partners share humor, they can find new ways to diversify their relationship. Humor can help create common interests and hobbies, which can strengthen relationships and make them more interesting.

Humor can save a relationship, but it's important to remember that it shouldn't be used as a substitute for serious discussions or problem solving. Humor should be used as an additional tool to strengthen relationships and resolve difficulties. Ultimately, healthy relationships are based on respect, trust, and communication, and humor may be just one of many tools that can help achieve this goal.