Living longer can be about attitude and outlook, about staying positive even in the face of challenge. Keep pushing ahead. If other people get in the way, thank them for their opinion, and get on with living your life to its fullest.
Epictetus, born a slave in ancient Rome, founded a school of philosophy that became known as Stoicism. To help him overcome the bondage of slavery, and an insight that actually helped him gain his freedom, was his belief that he could only control two things: his thoughts and his feelings; other things were out of his control.