I wonder if that is roughly the age where it usually becomes apparent that further career advancement is going to be much harder. I'm 29 and I'm pretty sure one

I wonder if that is roughly the age where it usually becomes apparent that further career advancement is going to be much harder. I'm 29 and I'm pretty sure one more promotion will be fairly easy to get, but after that it looks much harder and will require developing some skills that I haven't needed much in my earlier career.