The Fault Next Door by J.S. Finley

Ryder Jameson has spent years grappling with the loss of his wife. His parents convince him to move home to Texas, where they can keep a closer eye on him. When Nolan Montgomery moves in next door, a whirlwind of emotions hits, entangling him with feelings he doesn’t want and has no idea what to do with.
Nolan Montgomery’s past is shadowed by grief, but he is doing all he can to make the best of his situation. His neighbor, Ryder, is acerbic as lemons, but Nolan vows not to hold it against him. A devastating storm hits and brings them closer in unexpected ways.
Both men must navigate their vulnerabilities as they try out friendship first. But just being friends isn’t enough.
When someone comes to town to wreak havoc in Nolan’s life, everything in Ryder’s present is at risk. Can they survive the truth that threatens to rip them apart? Will they discover that the fault next door can sometimes lead to healing the fault line in one’s heart?