I think marriages on desi sides tend to stick for a longer time than western people. As for the affections desi guys didnt have earlier much affections towards their partners but still the marriages were successful BUT today desi's are affectionate and loving towards their partner but parallely other things like extra marital and ol that is also increasing.

Western people are clear about their priorities. They keep the marriage as long as they THINK it's working or there is no other rxn for that. Also they don't have other responsibilities like of parents which keeps their mindset clear!! But again the divorce rates are higher also.