If you burn out it's gonna take you YEARS to recover, not months. Do your 40-50 hours and stop. The app and startup will be there for a few years but you will

If you burn out it's gonna take you YEARS to recover, not months. Do your 40-50 hours and stop. The app and startup will be there for a few years but you will need your body, health, and mind for the rest of your life. Avoid burnout at all costs. Nothing is worse for a software engineer. It will destroy your career and cost you a fortune over your lifetime.