...there are some post anesthesia breathing exercises and they even give ya a little machine to help ya with it. I used mine religiously after I started developing "Super Powers, devilish good looks and charm" after my most recent surgery.
...Old age is a mystery universe. A combination of twilight zone, star trek, the hobbit and sponge bob. Sometimes I find myself in situations where I can remember what was going to happen before it happened. Not Dejavu, but similar. The feeling is like ya start a movie in the middle and then start it over and it gets back to the part ya already seen.
..."old" ain't crazy, but it will do until crazy comes along.
Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!