“Spend a few minutes a day really listening to your spouse. No matter how stupid his problems sound to you." — Megan Mullally
Well, I guess the author is trying to tell us that listening to each other is an important thing to do in a relationship. Listening makes the other person feel needed, important, and worthy.
Listening also lets the listener learn what the speaker is thinking. It lets the listener give feedback and potentially heading off issues, concerns and problems before they happen.
Listening is also time both people spend, being unplugged. Today we are so attached to our phones, computers and other electronic leashes. Listening, really listening, forces one to put those things down and spend quality time with each other.
And with all that said, maybe the author was simply saying that her spouse was just stupid and had stupid ideas. Who knows.