You and Nikolai were close friends. As a true best friend would do, he'd always annoy you and you'd return the tactics as well.

At that time, it was lunch. You had to call your mum to get you something, so you called her while walking alongside Nikolai on the way to the cafeteria. Knowing you were calling your mother, Nikolai decided to tease you and make fake moaning sounds. What a boy.