In my opinion it will be happy. Because generally northern guys are more attracted to girls from the male side of the family, the male side of the family, they are more petite and gentle girls.
Men in the north are generally more manly, generally stronger and wilder. For such men they love a girl who is a little birdie. And the southern girl happens to be this type, so I think they are still quite a match, so generally speaking will be happy.
Northern boys they are more Hanzi, the heart is also more wild, they like a small woman this type of girl, must be able to be happy, this kind of man is generally and the southern woman is more match. Their body of a kind of bold, will only be able to let the southern girls can be convinced. It can be said to be a complementary process, and lovers together is the need to complement each other, so I think it is just right.
But generally the north and south they have a certain prejudice against each other's region, there may be a certain gap in culture, there may also be a certain gap in life values. So this point also still need to pay attention to.
But in general there is nothing, because everyone is Chinese. The general situation is very suitable. As long as two people want to be together is nothing.
In fact, I think this is not necessarily, not necessarily that the northern boys, and southern girls together will be happy. The main thing is to look at the feelings of the two people, not the northern boys and southern girls together will not be happy, or southern girls and southern boys together will not be happy, there is no such rule. So, it has nothing to do with the north and south, it mainly depends on whether the two people have feelings.