Just start off easy. I’m very active. Just start off easy by getting out and running. Then to harder stuff and find a sport you like and are good at and join a team and cut out a lot of junk food. And confort food that makes you wanna sit on the couch not go outside and do something wether it be okay bball or whatever. But that’s my advice
I'm pretty sure the answer would be: If the person is upright, carefully ease the person to the floor. this is of course after calling 911, followed by looking for the object lodged in the persons throat.