What about the colour of love? - Red..? White..?? Err...Pink?
Once I was more confused than you, when she asked me this!
She said "Its BLUE."
"Blue, why blue?" I wonder.
She had enough reasons to convince me.
She pointed me to the waves of desire in the world - ocean and the sempiternal sky above my head, and said
"Of all those that doesn't have an end is blue. So as our love, no end - its colour is the same blue..."