AIPING:
What you wrote exactly reflects the actual life in Canada, people no matter how much they make, even as some chinese friends said those having their own yatch going to their cottage, they still not happy, they worry everyday, fear to death, I totally agree with what you wrote, for those disagreed I think they don't really understand what it like living in Canada, or maybe they working in Chineses restauerant kitchen all today, they don't know what it like in the outside world, so they deserve nothing more than ignoring
What the author was missing is her youth, her worry-free youth, as we all had. When you were young, life seems to be providing infinite opportunities to you.
The author is one who is refusing to grow up though she is not young anymore.