'Do no harm.' If the condition can not be properly and confidently diagnosed, therefore, the proper treatment or response protocol can not be devised or implemented, do nothing. Doing anything at such a point only exponentially increases the odds that harm will be done to the patient.
I have been in the woods for years at a time. I have been to Walden at the dead of winter. You think that you actually know me? What do you really know?
Here's some advice for you, son: Don't portend to give 'fatherly' advice to people wiser than you. Go to the woods with that gem, and take a shit.