Heloo mam My friend 2 years ago divorced and she had son age 7 years Now she working in hospital receptionist She deceived to marriage soon What should I suggest

Hi Shalini ji i am married since 2007 last 18 years my life was going very we'll and we both have good understanding and we both taking care of our family having two kids very well last year i come to know that before marriage my wife were having one male friend this male friends usually meet my wife at that time and gossips and even he taken her to visit on some locations 4 to 5 times as per my wife this friend was taken her to his room also 4 time but as they were good friends only so they just gossiping there as well as per my wife she had no any feeling with that guy but in between one day he asked her that he want to marry her , as per my wife he was telling him that he has been broken by his old girl friend and now since my wife listening him very carefully he started liking her , my wife still meeting him in between and go for outing at that time one day he asked to visit her home for marriage than my wife reject his proposal, after that this man gone out of station and than not met her, as per my wife telling me that i have not liked him and not having any feeling at that time and she telling that my 1st love is my husband only i am not able to decide anything now and not able to sleep properly not able to focus on me my health and my work i am vey shocked that the girl i love how she met with other man in past why she gone for outdoor and his room in past i am vey upset from last one year now and nkt able to find any Solution what to do now how to live life ahead pl guide me

My friend's boyfriend married to another woman from last 2 years and now when he is separating , told my friend about his divorce and marriage. My friends has still soft corner for him. what advice should I give to her?