Once insecurity hits anyone in a relationship, the boat has started sinking.
It will make you do and say crazy things. Do things that you wouldn't dream of doing.
Anything to come back to the shore and lie on the warm sand.
However it wont happen. Everything will sink.

(In a different context)
This song! Thank you Haruki Murakami for stirring my emotions and still keeping me sane with your writing. http://www.youtube.com/watch?v=lY5i4-rWh44