Don't know what field of health care you were in , but as a retired ophthalmologist, aged 87, I can reassure you that you are in for a great deal of fun. Never stop learning new things. Get out there in the open country and practice a lot. Watch...
Best wishes and enjoy your new hobby. I started when I was about your age and decided to get my 107 at about 74 years old just so I could fly for my church (new construction) legally. Never regretted it and am a much better informed and safer...
You might want to run through the Pilot Institute's free online "Deep Dive" course on the Air 3S. It's a very good way to get familiar with the drone and learn the features.
https://pilotinstitute.com/course/dji-air-3s-deep-dive/
90% of the drone footage was done with DJI Mini 5 pro, I opted to use M3pro for those tight shots when I did not feel confident enough to risk crashing M5pro, had some really close calls recently. Both drones survived and did very well, as expected.