I worked myself into the dirt for 2 years for a start-up that ended up failing. It felt like I aged 10 years. My hairline receded an inch - my hair started goin

I worked myself into the dirt for 2 years for a start-up that ended up failing. It felt like I aged 10 years. My hairline receded an inch - my hair started going grey - and I gained 15kg. I'm undoing the damage now - but I can tell I've been physically aged by the process.