Everyday
 

http://www.goodreads.com/book/show/13262783-every-day

This book is about a guy that jumps from body to body in spirit, but only loving one girl through all of his experiences. And this girls she sees the different physical appearances of these guys changing but something about the eyes never change. There is a spirit there that she recognizes and loves intensely regardless of what the exterior circumstances represent. It is True LOVE and it is eternal. She finally got it. Good READ.