bhaiyo , I m convinced that pre marital relations never last long . either of the sides starts looking fot alternatives after some time
I had a similiar experience but not worst as your brother's . I was approached by my second cousin and then after some time I decided to go along . everything was going fine , even my mother showed consent on my decision .things were going smoothly until she told me one day that she is going to be engaged to her cousin and will get married after 3 months....... I was searching for job those days and wasn't willing to send in my mother for proposal unless I got the job ..... so instead of waiting she opted for a guy who was settled in Manchester . althogh she was 18 only then and I was 21
simple girls dutch u when they have better option
the worst of all , a few days later I came to know that other was her second cousin and they had been in touch for quite some times on marriage issue , she hid all this from me .
I became very angry , felt deceived . . . but mein kis ko sunata ? I just thought for a while k if she wasnt serious for me then y should I repent for something that wasnt mine at all
although it isnt easy to recover from pain........now ur bro got 3 choices
either get a new gf ( n dis time he must bond the relation permanet asap)
try to get in other activities , like hanging out , going on adventure packed vacation or go abroad on vacations , that seriously will relieve him
or like all others said above , s ko cal keray aur theek thak sunaye
but seriously let this Allah to decide best for your bro .bcz if ur bro had sincere intentions , she will feel guilty after some time and may be she contact your bro and say sorry
the same guy to whom my ex got engaged , lost job due to recession after two months and also her wedding got delayed by 2 years as her bro lost job in dubai too.......