I'd do well to cook more but I guess I choose to devote more time to other things and pop in a Smart Ones frozen at supper. (Apples for breakfast and salads for lunch; those probably don't count as cooking.)
In my case, I don't enjoy cooking and the cleanup afterwards. Since I'm single, it doesn't pay for me to dirty up pots, pans and dishes just for myself, so I either pick up something on my way home from work or pop a frozen dinner in the microwave.
I got the gonna cook something new and exciting bug a couple of weeks ago. Bought all the ingredients and made a couple of things I really liked. Now I have left over ingredients I won't use for anything else for a long time. A waste of money. I should have gone to a restaurant, it would have been cheaper.