for me it was not a dramatic change to be honest and it was long time ago
i married her knowing she was putting it about with lots of guys when i first met her, i knew i was going get a lot of competition
she also knew by how much i questioned her after we married about previous men and sex, i would ask for detailed details which she knew were turning me on, some times she would comment on how quickly i would cum when fucking her and became a bit more less talkative first time round when we had sex and would use this talk to get me aroused for a second fuck, she would be a lot more graphic and knew how to get me going again, talking more and dirty realising how making me jealous would arouse me more, back in those days i would come 3/4 times just listening to her detailed accounts
it would be a few months before i actually caught her cheating on me, and that resulted in me spunking quickly and some severe rows over it after, even though i was gutted at the time i soon found myself encouraging her to seek more extra maritail sex which she i have to say she readily did and more and more frequently, going out alone leaving me baby sitting, (some 8/9 months later during sex she said "how do you feel sitting baby sitting while im going out fucking?) it had never really crossed my mind until that when she said that one guy had said to her about how i felt about letting her go out and fuck around, she had been seeing this guy for a while and he would get her high on smoking dope and one night she had told him that i knew about him and others, i was bit shocked at the time she had told him, as i had wanted it not known.
The smoking would make her much more slutty and the sex after with her was amazing how much more horny she was coming home and she would almost always end up squirting while she told me things while i was either cleaning up or fucking her,
this was a huge turn on for me when i knew and i asked her to get some dope off him and would before her going out get her smoke a joint and few drinks before going, knowing how she would be with anyone else
what followed was complete change in her in terms of the few inhibitions she had now, however the down side to this was that discretion went out of the window and it soon became apparent she was more open about our relationship and rumours soon started to get around and back to me via friends and work colleagues who were seeing her around
my addiction to our sex life over those few yrs meant i did little to restrict what i let her do and without any doubt many locally know the situation