I do maintain a workout schedule but not as intense as yourself. Sounds like you're running pretty close to the edge of all your limits if you can't skip even a single meal.
or alternatively, addicted to something in his regular intake; An opiate addict will also not function as well without their regular dose.
(This is the first account I hear from someone who will get injured from missing a meal. That said, if you have to be addicted to something while keeping in top shape, food sounds like a better deal than opiates).
I didn't mean to exaggerate that badly but climbing is a sport where your ups and downs are very noticeable. If I don't have a solid lunch and climb in the evening, chances are I will get injured trying to do limit moves. I try to ensure I stabilise my diet and not risk that aspect, just no point for me to skip any.
(This is the first account I hear from someone who will get injured from missing a meal. That said, if you have to be addicted to something while keeping in top shape, food sounds like a better deal than opiates).