Do not get cocky

I'd been really good about my eating: no salads, no drinks with ice, avoiding all water... but my Aussie friends from the start of the trip said that everyone eventually get’s sick.  I thought I'd been diligent enough to avoid it, but clearly I let me guard down, just for a second I forgot about the dangers of South American cuisine, and right at the start of a 5-day, 85km trek, it hit me...