Loving too much

I was perfect for you I was an android to follow all your rules Too many lies and smiles When I got tired and left I became the ugly villain And silently I took it all I forgot the most important rule I became the one that lives alone In the cave of fear that I held up So you enjoy me on my knees As I beg for mercy I'll never receive Silently I wait For a knight that only fights in my dreams One that holds me tight I close my eyes in the dream That slowly dies with me