I don't like being interrupted in the middle of a monologue or story. When people make comments, I'll barely acknowledge the comments, because I'm focused on NEEDING to finish what I have to say. Different Aspies are different when it comes to this. Some do like people to ask questions about their special interests, as a way to show they want to be interested and involved. Others among us, myself included, just like rambling on as a way to get out everything we want to say. I really couldn't care less if my mom or best friend gets what I'm talking about or cares, so long as I can tell they're paying attention. Interruptions and seeming preoccupied with something else bug me. I just want someone to listen, because some things about my most intense special interests are too exciting for me to only talk to myself about.
As far as monopolizing conversations, I KNOW I do this, and I couldn't care less. When it's my turn to talk to people I'm close with, I feel that I should be allowed to monopolize the conversation and get to ramble. When I talk on the phone with my good friend who is also an Aspie, since we know we both are ramblers, we just take turns rambling. Whoever has the most news goes first, and the other stays quiet and just listens, other than affirming that we're listening every once in a while. Then, when the first one's done, we switch and the other person rambles. And when I talk to my (neurotypical) mom, we do something similar. She lets me ramble before she tells me what she wants to talk about, unless she has something really important to tell me, in which case, she goes first.
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Helinger: Now, what do you see, John?
Nash: Recognition...
Helinger: Well, try seeing accomplishment!
Nash: Is there a difference?