Pug actually
(Book)

"Doug wants his rescuer, Julie, to be happy. He is loyal and loves her unconditionally--two things that can't be said about Julie's married boss and lover, Luke. Yet Julie is reluctant to break up, afraid to end up like her eccentric cat-owning neighbor. It's a prospect that horrifies Doug, too. Newly divorced Tom, on the other hand, is perfect for Julie. Everyone can see it--except for Julie and Tom. Doug is confident that with his help they will get over their initial animosity toward each other. As Doug humorously navigates the quirks of human relationships, he knows he can't give up on Julie--after all, being a "rescue" works both ways." --,(Source of summary not specified)