The fat ugly and foolish woman is assumed to be my sweetheart in my laboratory. It is because she has invited me to restaurants twice. When we look back on her activity, we can regard it as her romancing.
But, I don't love her and don't have courage to marry her. It is not because she is fat but because she is famous as a selfish girl.
If I were to encounter the situation that there are no ladies who can marry me, I would marry her. So, literally, she is the last person as to marry me.