Rex by Leah Atwood

Rex Fontenot moves home to the Louisiana bayous to be near his family again. The only problem is, he misses Monica Hughes, a woman he casually dated when their paths crossed. He offers Monica a relationship, but she runs away scared. Months later, when new information is revealed, she tracks him down.
As they are adapting to their newly established relationship, tragedy strikes, and they are forced from their newfound bubble of bliss. Together they grow as they discover what really matters in life, culminating in a decision that will prematurely change their lives forever.
Is love enough when all else fails?