Answer seems pretty obvious as it's included in your question--it must have only been different and not better or the WS would not be trying to recover their M. Trust actions, not words? Then you have your answer. When compared, the BS obviously wins. Anybody denying this obvious truth during R is simply letting their fears take them down the rabbit hole. A WS who is staying and doing the work is proving where they want to be. Accept it.
The not being able to accept the truth that is staring you in the face is a challenge for IC. But the fears and worry can be overcome.
Owningitnow, best sex is not why a woman marries a man.
She marries him for looks, hygiene, income, values, etc. Yes
the sex has to be good because those other things will not
make up for bad sex.
Because a WW wants to recover her marriage does not mean
that the sex with her OM was not on porn star level. Toe
curling the best sex she ever had.
For the BH to recover is he has to not just forget that his WW
had a PA, that he enjoyed sex with his WW before and her
body has not changed after her PA, so he has to push was the
sex was better or possibly better with the OM.
A BH cannot make his equipment bigger than the OM after
D day. If shorter no amount of gym time will make him
stronger than the OM. Same if OM makes double the income.
Add to this:
Many times the BH gets a WW that was dumped soon as the
OMW finds out. Or the when caught realizes the sex with
her OM is not worth losing everything else in her life for her
AP. So the WW comes back wanting recovery.
The BH realizes this yet has to eat his panino di merda
to keep from losing his life style, house, family intact.
When BH's ask their WW questions they need to know that
their WW is now willing to be honest. Her being honest with
the details of her PA shows that she is being honest that her
PA is over. That she will not break NC. That is the OM breaks
NC she will tell her BH right away.
I will also admit there is pain shopping being done by the AP
during the questioning. Though the questions asking about
direct comparisons better the OM and the BH is the BH
seeking not just for things were the OM was better than the
BH, but for things the BH was better so he has something
to salvage his pride. Example the OM penis was bigger but
he could not last as long as BH.