in my case, the OW is still with her husband, XH is still best friends with her H and all three of them spend time together.... I have no idea how far it went because he deleted all texts, emails etc. All I know is that he was sending her motivational emails while on a family holiday for DD's 4th birthday... he texted her through the holiday, valentines day, my 40th birthday, etc etc....
I know that he is still emailing her, that she refers to a night out with him as a date, that they refer to being gutted that they cant spend the day together , etc etc.
I think that if her H had found thousands of texts from any other man, he would have been furious, but because it is XH, his friend, he refuses to see what is under his nose. my XH was giving her emotional support that her H couldnt apparently....
some people don't register that an emotional affair is as bad, (some say worse), than a physical one. Her H said that there is nothing wrong with flirting, but there is something very wrong with hiding thousands of texts/emails....
I hope that you work things out one way or the other.