Marooned with a Marine

Psychologist Neil is a civilian embedded with a division of Marines sent out as part of a peacekeeping mission overseas in the Pacific. When the local political situation erupts into open civil war, the American troops are ordered to evacuate. Neil escapes in a small plane, along with several military personnel.

The plane crashes into the sea, with only Neil and a Marine surviving. They're swept over a reef and deposited in the lagoon of a deserted island. 

As they work together to survive in the hopes of being rescued, mutual respect warms into friendship. But Neil's feelings grow deeper, and he keeps them hidden from his companion. 

How would the Marine react if he knew the feelings Neil harbors for him? Can what they share in isolation carry over if -- or when -- they're rescued?