If you're 30 years old, as your title says, you've only got a few years left before doors everywhere close on you forever
Very true, given that you're in the right hand seat.
A very different picture for occupants of the better side of the house at any age.
Conslusions may be drawn from that!
(I sit either side, sometimes because the job demands it, sometimes because I've forgotten what I'm meant to be doing!).
