Love's Last Resort by Brian Herzlinger

5.84

After ten years of dating, Chloe’s boyfriend Eric still hasn’t matured. Hoping to give him the push he needs, she dumps him; confident Eric will grow up and beg her to come back. However, six months later, Eric meets Chloe for dinner with big news: he’s getting married in a week. Needing a break to mend her broken heart, Chloe takes a vacation, but when she arrives, she learns that Eric and his fiancée are getting married at the same resort!