Japanese ending particle ね ne. The core image of ね. How Japanese create intimacy each other?

I'll introduce the core image of "ne" ね here.
Relating it to the reason why Japanese can keep safe woth coronavirus.

I will make a video about ね, よ、の、か、な、after I finish the "Verb Pitch Accent "series of videos.( It might be in next year ???)

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Ne is the ending particle, but we can attach ne onto the almost all words.
We can even say
Watashino ne namae wa ne Paul desu ne.
instead of
Warashino namae wa Paul desu.( My name is Paul.)

I don't recommend using too much ne like that, however
It can create the impression that "you have really friendly personality.
Watashino namae wa Paul desune.
Is the best usage of ne here.
And this ne has no meaning. It just shows " you are friendly.

Try to put ne after many sentences when chatting with your Japanese friends, they will teach you when it's good or bad. It would be OK in any sentences including questions.