Partnership business can be done, and the way to prevent this from happening is actually very simple. First, the partners carefully consider, and second, standardize the withdrawal of shares before signing the contract. Now let's see if you have agreed to strengthen communication before. Everyone has a choice. Things are slow and round. Don't do anything in a hurry, think more. Anyway, if he doesn't give in, it's no good for him to lose together. He just wants to fight for more benefits for himself.