Whenever I’m poring over grocery ads and clipping coupons, I wonder: Are we big food spenders compared to our parents’ and grandparents’ generations? I don’t feel like we buy a lot of expensive or convenience food, yet somehow I’ve always had a gut instinct that we are spoiled shoppers compared to the families who came before us.

And eating out? I remember going out maybe once every other week when I was a kid in the 1970s. My own family today (2 parents, 2 kids) goes out slightly more often—maybe twice a week. And my husband eats lunch out more often than my dad (a consummate brown-bagger). So I often feel a pang of guilt when we pay a restaurant bill.

Then I read this interesting book, which really opened my eyes. Turns out we aren’t entirely the “Overspending Generation” we guilt ourselves out to be.

Harvard professor Elizabeth Warren did a comprehensive comparison of American spending patterns in the 1970s compared to today. And guess what: We aren’t blowing our paychecks on expensive restaurant meals and designer clothes after all.