The Guardian: paranormal gargoyle steamy romance

Alex has forgotten everything. Damon will use any means necessary to make her remember. Alex Rayne has a normal life until she gets a sexy stalker who turned up everywhere she goes. Then her life suddenly changes. Then changes again. She realizes that reality may not be real as Damon chases her across different lives. Damon tried for years to resist Alex. He yearns to be with her. Due to the laws that forbid them to be together, he couldn't have her. Then one night he risks everything and has to pay for giving into his urges. He loses Alex over and over again. His heart is shattered into pieces each time. He loses himself in a world made up of different realities, no longer sure of who he really is. Can Alex and Damon find each other again? Or is it too late?