I stole this quote and picture from my friend Sharon's Local Food Beat blog. http://localfoodbeat.com/?p=665
“Over at least the last 15 years, it’s repeatedly been given a clean bill of health, and good cooks regularly point out how superior this totally natural fat is for frying and pastries…. Lard has clearly won the health debate. Shortening, the synthetic substitute foisted on this country over the last century, has proven to be a much bigger health hazard because it contains trans fats, the bugaboo du jour. Corporate food scientists figured out long ago that you can fool most of the people most of the time, and shortening (and its butter-aping cousin, margarine) had a pretty good ride after Crisco was introduced in 1911 as a substitute for the poor man’s fat….“
To see lard go here: http://lizzielovesfood.blogspot.com/2009/11/lard-101.html
I think they are Happy because of the vitamin D in lard, and they feel satisfied from not depriving themselves from meals cooked in mineral and vitamin rich animal fat.