Yes, it COULD be cultural ex ex ex.

In the sub continent and Asian societies, family and "extended" family ties are very strong and close knit. And life in general revolves around the kids or family occassions, rather than shopping, partying or whatever other social activities there are. Like the saying goes "It takes a village".You have like in such close knit societies to understand how strong these bonds are. When these "ties" are loosened, like when travelling to a foreign land, it can be extremely hard on the individuals.