This is it, combined with the points brought forth by the parent. Like all things, a healthy balance seems to be the optimal strategy. Life’s a journey; good idea to plan but the people and places you find off the beaten path are often the most rich and rewarding.
“…doctor roles (e.g. anesthesia)…” Anesthesia has primarily been a nursing role, and it’s been this way since the American civil war. Physicians didn’t really want any part of it early on as it wasn’t very prestigious or lucrative. Nurse anesthetists have historically provided and continue to provide the vast majority of anesthetics, in the US at least.