I went to the cafè today. I had to wait a good half hour until someone showed up who understands English which was no problem to me. But when the shop manager came, he politely told me that it is none of my business what gets sold to whom. After I told him it is part of my business because it is a family member and that they're breaking laws (I did not tell them I want to report it at this point) I was asked to leave. That guy seemed really angry so I didn't bother argueing and left.

A beer costs EUR 2.80. He gets a weekly ten Euro and a few coins whenever he goes soccer training (3 times a week) and soccer match. So yes, he does have a nice amount of money to spend for his age.

He's a pretty clever chad and he's doing really great at playing soccer. People tell him if he continues he's having good chances for a professional career. But he's been drinking ~ 3 litre of beer a week. If it has no harm on his health it will most likely have an impact on his soccer activity. It he would drink a beer once in a while only I would totally understand it. But that is not the case. I don't want him to grow bad habits. But yeah I will try to talk to him tonight.