If it's a healthy, economical meal she wants, "Get something for dinner on the way home" can be a recipe for disaster.
Why? In most families -- even those in which men buy the groceries -- women still make the shopping decisions. Without a list, men get lost in today's fast-paced supermarkets, says David W. Stewart, the Robert E. Brooker Professor of Marketing the Marshall School of Business at the University of Southern California.
"More and more men are picking up items at the grocery store," Stewart tells WebMD. "But they are frequently following the instructions of the female in the household. Traditionally, the woman was the decision maker and shopper. Now the female is still the primary decision maker, but the shopping is more often shared by two individuals."