When interacting with someone, when do you get the vibe of the opposite person not agreeing, listening, or even considering what you talk about?

You know when a failed interaction is going on, from your perspective. But still, you try to turn it around. But no matter how hard you try, it does not.

There may be some solid indication of a point from which, it is not reversible. Can you point out some hints in an interaction when such a thing is happening?

And please, give me some guiding tips when dealing with difficult teachers and guides. How to behave in front of different kinds of people.

If you know any material, then please be sure to share a link.🙂

Updates
+1 y
I am asking for your years of experience for guidance.👍
When interacting with someone, when do you get the vibe of the opposite person not agreeing, listening, or even considering what you talk about?
Post Opinion