Is there something serious behind every joke?

In fact, there is something serious behind every joke. Sometimes when joking, what he usually doesn't want to say and is embarrassed to say will often be revealed to you when joking to let you know that the concept of joking is true. Nowadays, people are very smart, some words are unclear, and they can only be half-assed when joking. There are some serious truths. Today's society is so realistic. If you say that without joking, you will offend people. You want to know that what he said is true, then you pass by uncomfortably in your heart, and show your body language and heart when you are joking, then you know what's going on, but you are also joking. Nowadays, they are also very smart.