I think the OP is part practical question and part philosophical question. This is evident in Ringtails post stating that on his "last day" he would like 2 women, where as oldranger apparently only needs 1 (good for you oldranger, I'm a 1 woman man myself) laugh. However, I am not sure I am usually THAT prepared for my last day on earth. I would be interested on seeing the feminine perspective on hiking "your last day". Would you bring a man... or chocolate...or something else.

Philosophically, I believe that we (experienced backpackers) think we are 100% prepared until we find out we are not. Like oldranger, I don't need to bring splints because I can usually improvise one. But I do bring a sizeable first aid kit. I always bring thing I did not use (or eat). Makes it tough getting below a 15lb base weight but I am there finally.