and this , my beloved teacher , sits and leans against the table , and speaks the most foul obscenities to me , ah , you have never heard such language , as he tells me that he would strip off my clothes in this very tavern , and what pleasure he would give me , and how he had always wanted to do it when i was a boy , and even that he did do it , in the night , coming into my room , and laughing afterwards about it , and letting others watch .