Y Combinator cofounder Paul Graham is back at the startup accelerator this week, talking with founders about the challenges they’re facing — including how to make time for family.

Graham said on X on Wednesday that it’s one of the most common questions he gets from founders of “big, established YC companies.”

“It’s a hard problem,” Graham wrote. “But worth solving; arguably no problem is more worth solving.”

When an X user asked what advice he gives founders who raise the issue, Graham’s answer was simple: “The most important thing is not to ignore the question. You can’t get those years back.”

Graham also responded to another X user who asked…