It can be common for founders to go through an emotional roller coaster, especially before it has enough revenue to sustain itself. Once it can do that and you

It can be common for founders to go through an emotional roller coaster, especially before it has enough revenue to sustain itself. Once it can do that and you have many people (employees and customers) that depend on its continual success; you need to have a plan in case a key player quits or dies. If you really feel that you can't talk to people in the company about your emotional state; then maybe approach it from another angle. Say "We need a plan in case I get hit by a bus tomorrow", and listen to their input. Part of your problem is you are worried that everything will fall apart without you.