I don't now if Tolkien have the Asperger syndrom, but I now that people with AS react very negativ on changes. They need a long time to adjust them self (after they have moved i.e.)they need a "safe" environment and they hate unexpected things in there lifes. Nothing of that had either Bilbo nor Frodo on their journeys. One more thing is the friendship between Frodo and Sam, people with AS don't make such friendships. But many people seems to have AS. Maybe it's an AS light.
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