A phd is a grind, probably the hardest grind anyone can do in life (barring poverty or illness). And it really does make people very sick and leaves scars that

A phd is a grind, probably the hardest grind anyone can do in life (barring poverty or illness). And it really does make people very sick and leaves scars that last for life. I don't regret my PhD, but I am a fundamentally different person after doing one, and in many ways, i'm weaker for it.