Does anybody here think that acquiring a PPL has altered their persona in any way?
If you look at the personality of 100 people when they start PPL training, and you look at the personality of 100 people who have been flying for say 10 years, there will be a huge difference.
But that is not due to personality changes in any individual.
It is due to the fact that anybody who is less than really really determined, willing to put up with a huge amount of crap on every front, is well funded, etc, will have dropped out.
Only the most hardened individuals remain in this game long term. It's a very rewarding hobby but the reward to crap ratio is not favourable.