Stipulations:
- You cannot die and are immune to disease
- You cannot alter the future such that you change the world from your point of origin. i.e. You cannot become so famous that future people recognize you as immortal.
- If you vary the timeline too much you will cease to exist.


The world is big and full of wonders - working, travelling, meeting people, sleeping with them … yeah that would do me, if you don’t mind moving slowly on a budget then it’s doable without too much stress.
I read a book a while back where someone was presented with having a very long lifespan. As long as they wanted, basically. And their reaction was that they could take their time to really savour life, since it was much less limited :-)