Sister that got back stabbed

Tweet

i know a freind of mine who's sister was having a argument with her sifnificant other...Well after their heated argument..he came to his sister-in-law house and gave her a rose!!!!!!!!!!!...so you ask..." why would he be giving her a rose"?????well he said that he really liked her and shouldnt have married her sister anyway with the feelings that he had for her....well needless to say the sister-in law...slept with her sisters husband and they havent spoken in 4 years....My would you do to get them back talking????/ or sjould i let them be...and not get involved???