At least in my experience it is much easier to discover that when you are not so invested in the outcome of the conversation.
Indeed. I think this is the main culprit. It also makes a conversation flow much more natural.
Probably because ignorant shits say things like this:
and it becomes tiresome hearing it ad nauseam
Did you just call me an ignorant shit!?
(╯°□°)╯︵ ɟǝǝq ɹossǝɟoɹd
I was thinking of my father when I wrote that, he thinks it's a phase or something and I have told him many times I have no interest in the opposite sex and he still doesn't get it...