Six weeks after that, she would go back to the office and work three days a week.

CNN: How to leave work at the office

She has cut back spending for entertainment and organic food, and continues to work three days a week as an office manager for an Internet security company.

WSJ: Boomers Find 401(k) Plans Come Up Short

So the 44-year-old, who says his peers' evaluations were somewhat harsh, recently rejoined the local gym, where he heads after work at least three days a week to run on the treadmill, cycle or stretch.

WSJ: Want to Be CEO? What's Your BMI?

When she isn't traveling for her job at a pharmaceutical company, Wagner tries to get together with Tuttle for 45-minute pre-work runs three to five days a week.

CNN: No need to hang up your running shoes as you age

McKinsey lets both female and male consultants work for as little as three days a week for proportionally less pay and still have a shot at making partner.

ECONOMIST: Schumpeter

"The agreement was that I'd go in two or three days a week and work alongside Brendan, " he said.

BBC: Family affair for Lampards

That's more important to the business than a cashier, unhappy about spreading her work week over four days rather than three, quitting and not returning.

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