Its nature in us as human beings to support and give back where we came back from, because look at it from this angle, they’ve taken care of you since you were young up to now taking you to school. So literally it's socially acceptable or socially moral to give back to mum and dad,” he explained.

请问：since you were young up to now taking you to school 这句话结构怎么理解，感觉怪怪的。Since A to B，A和B的结构又不类似，这样可以么？