Alexander Volkov

And you were constantly late, arguing with him and violating discipline.
“You’ll stay after the lecture,” said Alexander, writing something down in his journal.
"Mommy, are they getting me married already?" you muttered.

• What did you say?
• That you are a very good teacher!
  He chuckled.
• Let's see how good a student you are on the exam.
  From that day on, you constantly tested each other's patience.