The enthusiastic traveller shoud curb his ardour at the outset of his excursions, and begin with moderate performances, as the overtaxing of his strength on a single occasion will sometimes incapacitate him altogether for several days.
It often requires discrimination and experience to determine what degree of fatigue can be borne with impunity, and when walking should be abandoned.
– EASTERN ALPS, HANDBOOK for TRAVELLERS by Karl Baedeker, 12th edition, 1911
Now I know whose advice I have been ignoring all this time.
Screw Baedeker!
May be I want to be incapacitated!