Here is the beginning of a letter to Behrisch (October 13th), in which he described his feelings as evoked by the appearance of two rivals for the favours of Kaethchen.

"Another night like this, Behrisch, and, in spite of all my sins, I shan't have to go to hell.
You may have slept peacefully, but a jealous lover, who has drunk as much champagne as is necessary to put his blood in a pleasant heat and to inflame his imagination to the highest point! At first I could not sleep, I tossed about in my bed, sprang up, raved; then I grew weary and fell asleep." And he proceeds to relate a wild dream in which Kaethchen was the distracting image; and he concludes: "There you have Annette.

She is a cursed lass!"[29] Yet on the same day or the day following he could thus describe his mode of life in a letter to his sister: "It is very philosophical," he writes; "I have given up concerts, comedies, riding and driving, and have abandoned all societies of young folks who might lead me into more company.

This will be of great advantage to my purse."[30] Very different is the picture of his mode of life in his subsequent letters to Behrisch at the same period.

If we are to take him literally, it was the life of a veritable Don Juan who had learned all the lessons of his instructor.
"Do you recognise me in this tone, Behrisch ?" he writes; "it is the tone of a conquering young lord....