Actually, I can cook very well, and no, I don't have time to do it most of the time. It takes me over 1 hour to cook a decent meal and clean up and if I buy prepared food I can work while my husband goes out for it (and it only takes him 15-30 minutes to go get it, not an hour). :P
I took time out to cook a huge Thanksgiving dinner. Took me about 8 hours, plus cleanup time. Christmas dinner took a little less time, but still took several hours. And New Year's dinner took 3 hours. That's enough cooking for me for a while when I have to work full time! LOL