It always makes me a little nervous when an attendant gets on the P.A. and asks if there’s a doctor on board. Fortunately, this has always been for another passenger... so far.
Six degrees of separation...daughter-in-law’s friend lost a toddler over Yuma (not at 3:10!) a few years back. You never know when it’s going to be a bad time to be stuck in an aluminum tube at 25,000’.