There are a few various theories on how feet worship-- or podophilia, as it's sometimes called-- ended up being a thing. One theory suggests that it's a kind of eroticisation of the power differential in between individuals. Simply put, individuals discover themselves drew in to others who they perceive as being 'above' them in some way, and what could be a more extreme power differential than between somebody who can squash your head with their foot and someone who can't?
Another theory suggests that it's a kind of regression, or a return to a more 'infantile' state. This one makes a lot of sense when you consider it-- after all, the majority of us were introduced to feet long prior to we were introduced to any other body part, and for a number of us, they were the very first thing we learned to touch and check out. They're likewise a very non-threatening body part, so it's possible that people who are drawn in to feet see them as a way to feel safe and comforted.
Whatever the reasons for people's private tourist attractions, there's no doubt that feet worship is a thing, and it's a thing that individuals have actually been taking pleasure in for centuries. If you have an interest in trying it out, there are lots of resources out there to help you get started-- from websites and books to expert mistresses who can introduce you to the world of feet praise in a consensual and safe method. https://zerogov.net/?p=1570