Where to eat?
Find healthy restaurants in your path on the internet
Schedule appointments in such a way that if one gets cancelled you can use that time to eat.
Bring a sandwich
Doritos when you are in a real hurry.
Fast food isn't so fast when you are in a hurry, but Carl's Junior has great ratings from food critics!
Try some Korean Tacos from a Kogi taco truck - best in town (Southern California only - sorry) kogi.com