Final answer:
Without additional context or information from the specific literary work, it's not possible to accurately identify who gave Peter relationship advice after Angelika left.
Step-by-step explanation:
The information provided in the question seems to be referring to a passage from a literary work and the context suggests the need to identify a character who has given Peter relationship advice. Unfortunately, without additional context or information about the text or storyline, it is not possible to accurately identify who gave Peter relationship advice after school. To give a correct answer, specific details from the literary source are required.
If this question is related to a specific book that has been assigned for class, or if there's a particular scene in a novel or play being studied, the student may need to review that section to find the answer.
Teachers often expect students to provide answers based on their readings and class discussions. Therefore, the student should consult the text directly or notes from lessons if this question pertains to their coursework.