First up this will speak to more then just tickling. It will address fetish, paraphilia, and obsessions.
Current theroy is that fetish etc development is a flawed byproduct of the sexual psychological maturaization phase.
Human sexuality is a very complicted mental system. It takes mental and sensory information, and produces a physical response. In short, you think of or see something and get horny.
When you are born your body has the physical capacity to get aroused. Anyone who has a child knows this. But the response is un anchored. A direct physical stimui can trigger it (some toddlers are way into frottage once they discover it) but the psycological aspect is left blank. It's a case of the body being ready long before the mind is.
So what SHOULD happen is that as the child develops this empty box should fill in. What with? A physical type that the person will favor, sents that key memories of comfort, extrapolated exceitment from touch based on past experience.
And it does. As we get older by age eight or so most males have already fixated on a 'type' of woman they prefer. Hair color, hight, facial structure. Women tend to key in on voice, presence and more general characteristics. As these are not possessed by boys thier ages, it's a reason why many women have crushes on much older men, and father figures.
So all is well and good. The box fills in and soon a set of visual and other stimuli are tied to arousal.
BUT
The system is more like a big net being trawled through the ocean. Not only does it pick up the cues that lead to a 'normal' arousal structure, it snags on other things that accidently touch sexuality also. Even if those touches are a total misunderstaning on the childs part.
Example: Playing cowboys and indians the person is tied up by friends. The exceitment of the game and physical adrenalyn response to beign bound cross into sexual arousal. A link forms. A bondage fetish is born.
Example: A child has an understanding that when adults 'do adult things' they are happy. Happy people laugh. If I make someone laugh I make them happy. I am doing 'adult things'. A link forms. A tickling fetish forms.
Example: A male and female pair of friends is out and are age 8-10 or so. There is a basis for attraction from the structures in place already, it's puppy love. They are caught in a rainstorm, and on the way home trod through mud, and get quite squishy. A link forms between being out with a fun 'date' and walking on sticky messy stuff. A trampling fetish is formed.
Example: Guy is minding his own buisness eating lunch at school. Male bodies are weird at age 11. He gets a hard on for no reason. While aroused he has a chance sighting of two female schoolmates getting into a fight, and ending up in a full on wrestling/hair pulling battle. A link forms, A female battle fetish forms.
And so on
Picture a cosmic card dealer in the sky.
As children pass through that open window when thier sexual psycologies are setting the dealer flicks cards at them.
Pow! You get bondage!
Pop! You get Feet!
Smack! You get being walked on!
Thud! You get animals (tough luck dude!)
Boink! You get anal sex.
Ploink! You get tickling!
Plop! You get Giant-lust (aw your fetish is unobtanable too bad! Ha!)
And so on.
Some folks get missed by the dealer. They come out 'normal' based on culture.
Others get wide open cards, that leave room for LOTS of personal development.
Some get a narrow focus that cripples their sexuality
But it all comes down to a flaw in how 'we learn' what turns us on and makes us reproduce.
You'll note how culture plays a huge role. As 'proper' cultural stimuli will be made available to the child in the learning phase. (for example in America in this era there is a beauty standard enforced by media, as the odds are the individual WILL encounter it while building thier sexual prefrence set, odds are very good it will get in. This is why boobs are sexual cues in American society and so much emphasis is placed on them) We teach our children what to like with our media.
The rest is random. That cosmic dealer will nail your kid with a card no matter how sheleterd you keep them. Because it's just chance they they will be turned on and see.... something.
Twap! You like cartoons! Enjoy pixel lust for your life!
You can't stop it. You can only guide it by providing large amounts of information that stresses things you hope the kid attaches to. But it's a dice roll. You never know.
Hope that helps.
Myriads
