the boy who became a man

If you meet a person who you felt like you had a gravitational pull towards and when you were with them life could not get better would you follow them even if it meant leaving the ones you love behind not sure if you would return again?
This is a story of a girl who finally finds the true meaning a reason to be driven in her life but has so much to gain and also so much to lose. What will she do? How will it end?