The context of the following conversation is Lee sent their kids away to boarding school and then to summer camp at holidays so Lee had plenty of time for their own life.:
Lee says It is good to be wealthy..
The friend responds What do you mean by that?.
Lee responds I can send my kids to boarding school for both semesters and then to summer camp at holidays..
The friend responds Do you ever have time with them? Don't you miss them?.
Lee responds I guess I'm selfish,  but want time for my own life..
The friend responds You are wealthy and you are selfish, you know you can't buy those time back again, once they all grown up?.