What do you mean by throwing copper coins?

Resentment, dissatisfaction, uncertain future, the future will come back. Second young master Song Yin was exiled to the other side as scheduled. When he left, he refused to accept the care of the Lord and rudely threw the copper coins he often used for divination into the air. What does second young master mean? Resentment? Not satisfied? The future is uncertain? Or will it make a comeback in the future? There should be both!