Do something everyday that you don't want to do; this is the golden rule for acquiring the habit of doing your duty without pain.
Mark TwainI felt it was my duty to praise all of God's works with fervent enthusiasm. At the same time I killed flies in my house in a spirit of hatred, exasperation and contempt. My praise to God for all his works was dishonest, the act of killing the fly was honest.
Mark Twain