Immediate answer which I’m guessing a lot of people’s is… yes!
But then, no. How scary would it be? It’s scary either way!
Like anything I wouldn’t want to be alone. If I was the only person in the world who could live forever it would be terribly lonely because you would make friends, life-long friends and then they would pass away. It would be awful.
There are other factors like would you age, or would you stay the age you are at the time of being granted longevity? That would change the things you did and how you did them depending on how agile you were etc.