One of the problems I have when I can't stop interracting with people is, I continue to mention them and if they respond the conversation continues.
In the end if they were unable to say anything in regards to stop the conversation...
(regardless of reason, ie. politeness or they find it intimidating to talk to me and that prevents them to say anything)
...then the conversation might go on and on and both parties may lose a lot of time.
I once had a conversation with a friend with the same #neurotype as me and it was the first time in my life I actually got to my bed and lied down while thinking:
"If I fall asleep I will not be able to tell the other person on the other side that I fell asleep and the only way they might hear me is if I start snoring"