2, he is not very happy, comforting himself, but there is nothing serious, just a little depressed.

He is in a good mood.

However, there is a big problem here.

You can ask this question at will. Forget it! Usually no one cares about this kind of signature. Thinking too much may just be the source of contradictions. When the other person needs to communicate, he will take the initiative. If the other person is dull, you'd better give him your silent consideration.