Friends or Lovers by Sara York

Shane and Nick had their fun on the island, but now it’s back to real life where Mark is making Shane’s life hell. When Shane moves in with his sexy new boss, Brian, Nick can’t help but be jealous.
Guilt twists Brian in knots, leaving him feeling empty and unsatisfied. He knew about Mark’s secrets and even shared in them. Now he has the opportunity to make it up to Shane, but will he stop at being a friend or will he try to split Nick and Shane up before they have an opportunity to be lovers.
Brian wants what he’s never had before—true love. But who exactly will he find love with? When Brian meets the sexy bar worker, Jamie, his life is turned upside down. Will he blow it, or can he convince Jamie to give him a chance?