But how does one know what one can't get back up out of unless one goes down it in the first place and realises one is stuck?

Seriously though, although all this caveman shit is quite interesting, it was a 600% u-turn in regards to what the original plan was - a new job.

Also, add a journal to your arsenal, so you can document your trials and tribulations and write the sequel to 127 hours when an under-malnourished Kowalski is found in 3 years.