I'll ring in here...
I have Aspergers Syndrome also. I was almost 30 by the time we figured it out. I have trouble expressing myself verbally and non-verbally but only as far as emotions go. I can write you a beautiful poem that tells you everything I feel. As far as me telling it to your face, forget it.
Also, I have trouble in crowds. I can't stand crowds of people. One of the reasons I don't go to gatherings like NEST and the like where there are tons of people and noise.
I can't stand the noise a vacumn, blender, food processor or a siren makes. I can't stand band music either. it hurts my ears, literally.
When I was a child, I couldn't stand to be touched, period. Now that I'm older, I've kind of flipped to the other side of the coin(love it as long as I know and trust you)
It's a spectrum disorder and that means there's a lot of gray area in the way that this disorder plays out.
As far as ticklishness, you won't find anyone more so than me. You really won't. I'm not sure whether that's related to the Aspergers or not.
Just 10 cents from someone else who has this disorder....