For where you are and how you feel always use estar
if you are characterizing someone use ser
example: yo soy timida y yo estoy bein
Answer:
A menudo fantaseo con mudarme a otro país. Creo que podría ser divertido vivir en un nuevo lugar por los menos un año, tal vez incluso el resto de mi vida.
Explanation:
I often fantasize about moving to another country. I think it might be fun to live in a new place for at least a year, maybe even the rest of my life.