You have to talk to the majority shareholder and tell them the situation: You either need to sell, or bring someone on to assume the CEO responsibilities. And y

You have to talk to the majority shareholder and tell them the situation: You either need to sell, or bring someone on to assume the CEO responsibilities. And you're out of time so you need to decide now. If they won't budge, always remember that your health is more important than money. Fear of loss is not a good enough reason to ruin your health. In other words: You may have to quit regardless of the loss. Be ready for that possibility. But first thing first: Talk to the majority shareholder and make sure they understand the situation on the ground. 95% of problems arise from miscommunication and misunderstanding.