You're obviously not a startup founder with an attitude like that. And it's OK: being a founder of a startup really isn't for everyone, for good reason. Most startups fail, remember. And like you, most people don't want to dedicate their life to a company. I wouldn't want to be a founder either: I like having a life outside work. Founders are different; their company is their "baby" so they have an entirely different outlook to work than the rest of us.