This is something i can’t figure out though maybe i am biased but I don’t see the benefits of studying it unless its about it,s erotic aspects and here is why . If someone hates it why want to learn more about it , just avoid it . But the people who love it spend their whole lives feeling alone...
Whats interesting is how we just accept we like it but not ask why we do. I have a few theories on it , my father told me once that a dolphin will show you they wont hurt you but just gently brushing up against you. I was thinking tickling is the same way, were showing were not giving pain by...