how do i not burn out? taking on lots of responsibility at a high growth startup, nights and weekends are now "work hours"

no solution for better workload management in sight, slowly drowning

Ask yourself what your purpose for being there was? Burnout starts coming more when we lose sight of that. You can handle a lot more stress when you’re doing it intentionally and in alignment with your goals than you can when those are out of whack. When you answer that you’ll know which suggestion is your solution