I could eat (and have done so as well) a simple cheese sandwich (slice of cheese, few veggies between two slices of bread) for lunch all the time. When I lived

I could eat (and have done so as well) a simple cheese sandwich (slice of cheese, few veggies between two slices of bread) for lunch all the time. When I lived by myself for a little over a year, I was quite happy with this arrangement. As fuel and as entertainment -- I really really love my simple sandwiches.