We retired at 35 and 40. To stay happy, we had to learn how to argue about spending.

Alan and Katie Donegan share their advice for retiring early as a couple.

Alan and Katie Donegan

• Katie and Alan Donegan retired early at ages 35 and 40.
• The couple was not immediately on the same page about pursuing financial independence.
• The Donegans emphasize self-development and talking for successful relationships in retirement.

This as-told-to essay is based on conversations with Katie and Alan Donegan, who retired at the ages of 35 and 40, respectively.