When I was a kid, Sunday night was the one night of the week my parents really tried to get it together and have a nice family dinner. (halfbakedharvest.com)
I can't speak to school lunches, but if you're getting fast food during family time, you're probably not bringing it home, putting it on a plate and sitting down - away from a TV, to a nice family dinner filled with stimulating conversation. (ecochildsplay.com)