Given the rate at which people would become mentally or physically disabled because of diseases, you could argue it would have a network effect (probably a better term exists): I would have more chances to meet people and influence them, to learn something useful, to accumulate and use wealth for the above, so yeah…
Wash my hands
Where do you wash your hands? Hope you brought a big bottle of disinfectant.
Running water would allow for 30% reduction in bacteria, according to some sources.
Also, in that time period soap was known in Spain, France and Italy, and I personally made it in the summer using either olive oil or pork fat.
Any body of sufficiently rapidly running water should suffice.
Now you’re a witch
The definition of succeeding just becomes not dying.
Given the rate at which people would become mentally or physically disabled because of diseases, you could argue it would have a network effect (probably a better term exists): I would have more chances to meet people and influence them, to learn something useful, to accumulate and use wealth for the above, so yeah…