i always believed in this approach.  marriage is about compatibility and understanding, no doubt about that. whoever we marry that person should be understanding and compatible regardless of race, color, caste and country of origin.  however, i also believe in this fact that if someone marriage with similar background, culture and so forth, we would not see too many surprises in the future.  it would be lot easier to cope with situation.  sentiments and thinking might be similar as well which also matters a lot.  but, if you really love someone and really think that is the right person, please go for it.  please dont marriage just the sake of getting residency or something, which i am sure is not the case in this particular thread.  When a marriage starts with some kind of cheating (sake of getting PR or something), it bound to end up in divorce, i guess that is what happening to lot of marriage between nepali and foreigners.