Image: 3 panel stick figure comic. The first two is of the same person smiling. The last one if the person with a troubled face and has "realization" written above.
The last time this happened was when I realized that people ask me questions about how I know things to start a conversation, not because they want to know how I know things. Example: https://lemmy.autism.place/post/116248
Just yesterday, a coworker mentioned my insulated water bottle and remarked on how they always seem to keep ice for over a day, and I proceeded to describe the thermodynamics of vacuum insulation at 4am in the morning to a NT that was half asleep. Once I noticed they were staring at me, i said "haha sorry its probably too early for this."
What can help is to talk about it’s usefulness or how it makes you feel.
Instructions unclear, ended up going on a 3 hour rant about mocroplastics after shifting the topic from how my bottle is a better choice than disposable plastic ones.
I can talk about water bottles for hours and the different materials and ergonomics involved.