Darn right, infidel, you are indeed blasphemous! True believers regard caffeine ingestion as a sacred rite and obligation. Caffeine has several beneficial effects that would be handy in a survival situation, basically increasing athletic performance. Marathon runners generally load up on moderate quantities of caffeine on race day. It seems to work for them.

On night searches, if I had the time, I would brew up a Nice Thermos of Tea, laced with sugar. I was in the party that found the object of our search, that person got first dibs; if not, the savory tea was consumed by a deserving searcher.

The trick is to not overdose, just like any drug. That is the reason I scaled back from about six cups of coffee to about three cups of tea some years ago. If for some reason, I can't get tea, there are no overt jitters or withdrawal symptoms.

The best days start with a nice quiet cup of tea...