^he's saying if you have that much to carry, don't carry it on your back. use a trailer attached to your bike.
which i'm not too sure is bad advice. your bag may be designed to carry that much weight that far away from your spine, but your back isn't.

but your body and health be damned: that's ****ing awesome.
read this if you like humor:
http://rollick.com.au/2011/rambler/