Intensity (Terran Times, #30)

Raine knew she was special enough to be a Volunteer, but mating with a dragon is a whole new kind of special. Setting up orbital stations was lonely, but not a horrible occupation. Raine has spent years organizing computers and systems to work in harmony, but when she is sent to a spa to wait for her ride she learns that work is not the only pleasure in life. Orell has waited for her for centuries and he is not going to let a little thing like a Terran obsession with work get in the way of him claiming his true mate. He will use every amenity at the spa to wear her down and then he will swoop in for the kill, so to speak. What is a little death amongst friends and lovers?