Business leaders love to debate the myth of work-life balance . But for Netflix cofounder Marc Randolph, the rule was simple: every Tuesday at 5 p.m., he walked out—no matter what.

“I’ve worked hard, for my entire career, to keep my life balanced with my job,” Randolph wrote in an old LinkedIn post that has recently been recirculating on social media .

“For over thirty years, I had a hard cut-off on Tuesdays. Rain or shine, I left at exactly 5 p.m. and spent the evening with my best friend. We would go to a movie, have dinner, or just go window-shopping downtown together.”

It’s no question that it can be difficult for founders and CEOs to set strict work-life boundaries; sometimes they need to tune into late-night meetings with clients in different time zones, or feel that t

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