Memories of the Dark by H.M. Wolfe

True love knows no boundaries.

Fergus loved his husband very much, but that love was twisted around and used against him until he was a shell of the man he once was. Only Everly, the fiercely protective man his mind created, was able to keep him from taking his own life. When his husband finally crosses a line, Fergus’s life hangs in the balance, and just when he thought it was over, two shining beacons kept him tethered to this world.
Dehaan lived a solitary life until he was taken in by the president of the Steel Riders MC. With his pharmaceutical knowledge, he began helping them to eradicate the potent drugs invading the city. Having been physically abused as a teenager getting close to someone else was difficult for him, but it didn’t stop his heart from wanting the son of the president, even though the man was more than he could ever take on.

Xavier had been a dominant for as long as he can remember, but he still has things to learn. The love for his best friend has been holding him back from finding his own happily ever after. Until he takes a chance and is rewarded with Dehaan’s admission of love. His protective instincts flare around his best friend and lover, but even more so when they find a man clinging to life in an abandoned warehouse.
Xavier and Dehaan take him home and nurse Fergus back to health. When they realise the man has split personality disorder, it doesn’t stop Xavier from falling for the protective but submissive Everly, and Dehaan from falling for Fergus.

Can their newfound relationship survive the addition of a third?