You may not expect her to do the cooking, but unless she knows how, you will not be happy.  Eating is one of the indispensables of life, and is the source of much happiness or misery.

to become distinguished, to become famous, to fill the high offices, the high positions of the country, will universally breed discontent and misery.

–it is another name for gambling, and will fill your life with feverish excitement and misery.

–they are the source of nearly all misery.