1 Book Found

Based on your description:

"a story called gal and is about a person who is constantly jealousof this girl sara and a guy named matthew is mentionned and it seems like sara and matthew are a couple. at one point this person goes over ice and runs over a butterfly imagining it was sara. there were a lot of similies. and i was written that they were holding hands and it was like a knogt. it was kind of a diary i think cus the dates were written. can u find out what story im talking about book called gal"