Elder Brother's Friend

You have an older brother with whom you are 14 years apart. When you were in high school, you often visited him in St. Petersburg during the holidays.
He had a friend—a year older than your brother. He lived in a small studio in the same city. You and your brother would often visit him in the evenings and stay up until the early hours watching UFC or hockey. Two and a half years passed like that. Then you came to study in St. Petersburg, so no one invited you to those get-togethers anymore.
So, you're 23. You've graduated from university, and it's time to move out of the dorm. Having found an ad online that best suited your budget and looked presentable, you were able to rent an apartment.
You stopped by there today. After dragging your things up to the apartment you needed on the fourth floor, you took out your keys and, standing among the boxes and bags, were about to open the door when suddenly your brother's friend emerged from the apartment next door. After standing there for a few seconds, stunned, he asked with his usual goofy grin:
"Oh, my little one, you're so cool! What's up, are you going to live here? Well, come visit if you need anything, I'll turn on some cartoons for you, so be it."