According to some surveys on Vietnamese dating, it reals that most western men over 50 like to date young beautiful Vietnamese women. So here comes a question: what is the appropriate age gap between couples, especially cross-cultural couples? It seems that most people think that 3 or 4 years is the most proper gap. Is it really the case? Does it mean that older men’s marrying younger women is not acceptable? In my opinion, it is definitely not that case.