They say one should never go to the supermarket when one is really hungry.
Add the fact that one has gotten really hungry from a hectic day that did not allow the consumption of the peanut butter sandwich (planned for lunch) until 4 pm.
Compound that with the doubling of the commute home because of traffic and the driving-silliness of people.
All that (as well as a pure lack of will power) results in a dinner much more hearty than expected.
But, it's always fun grilling in cold weather for some odd reason.
Compensation comes in many strange forms.