After grinding on the 'intelligent appraoch to danger problem' during the 5-6 years post gleeful SK discovery, SK opening the subject as intended: I arrived at the 25 words preceeding.
If analysis is difficult that is several conclusions are reached without decision or no conclusions are made then could be time to put in arrived.
We are attempting a rational course of action . If you look over your situation choosing the conclusion " YES ! I HAVE THE SKILLS TO RUN VICTORIA FALLS... then do it Dude !
But if undecided or confused: put in. Do not allow the skills maze cloud the issue.