Just get out of startups and into more established companies, 9-5 not only exists, it's the norm. It's not a dirty little secret, you're just in a self imposed

Just get out of startups and into more established companies, 9-5 not only exists, it's the norm. It's not a dirty little secret, you're just in a self imposed workaholic bubble. If you're consistently working 12 hour days, you're simply allowing your employer to abuse you.