Her Ex by Anne-Marie Meyer

Her Ex is Off Limits
Jackson Braxton is back in Honey Grove for his brother’s wedding. He’s determined to make the best of this trip. After all it’s been eight years since he last spoke with his ex, Isabel. Surely they’ve both moved on.
Isabel Andrews is barely hanging on by a thread. Her father is slipping away from Alzheimers and her fiancé is determined to spend all his time away from Honey Grove—the one place she can’t seem to leave.
A broken car engine later, Jackson finds himself playing chauffeur to Isabel. After all, they were friends once, they can do it again.
Except, the heart doesn’t so easily forget.