Impossible friendship

I had a friend when I was in college. He had a Japanese girlfriend who was a staunch Buddhist . He himself was a staunch Christian . He was very proud of his girlfriend. Since he was a good guitarist, my friend and I became his students. He was a very dedicated and patient teacher. Being kind, he even refused our payment. We managed to learn classical plucking of the guitar. I still remembered that particular music. One day, he called me and told me that his girlfriend's parents had disapproved of their friendship. He was so sad and he needed a friend to cry on. So I lent him my shoulder. I consoled him and said: Don't be sad..there are plenty of fishes in the sea. The next day, he wanted to see me again. I told him: I am just your friend. He asked: Do I have the chance to be your boyfriend? I thought he was being desperate so I said: Sorry..I have a boyfriend. That weekend, I was not at my rented room. When I came back, I saw a note underneath my door. Slowly I read the note:...