Sometimes people can be pragmatic about friendships, in that they see them more like networking to get access to things they want and providing payment in kind. Like a barter network. They may be more interested in that than in you as an actual person. I've had it happen before. It's hard to tell the difference though when the first overtures are made.
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Aspergers - Because God wanted me to do something at work other than update my Facebook.
Your neurodiverse (Aspie) score: 161 of 200
Your neurotypical (non-autistic) score: 39 of 200
You are very likely neurodiverse.