Two questions - feuds and being told who would win

Hi all, I wonder if you experts on here who know a million times more than me can answer these fairly trivial questions, please?

Firstly, I have read a lot on here about some of the famous feuds that were stage-managed over the years - to our great enjoyment at the time, of course.

Were there any long-running feuds where the guys involved really DID hate each other, or was it a case of having the fight and then a drink together afterwards?

My second question is whether some wrestlers disliked turning up for their fight to be told "you lose 2-1", or was it just a job to them? I know there are instances of people going "off script" (Peter Preston as an example) but I presume the vast majority obediently did what they were told. Would they ever have queried being told to lose (or indeed to win) or did they just get on with it to ensure being offered further fights by the promoters?

I think I read on here a while ago that Steve Logan often did not know who he was fighting and simply turned up at the venue. I guess that might perhaps might answer my second question in that it was "just" a job?

Any responses would be read with great interest.

Many thanks and kind regards to all.

Peter