man muss mit den Wölfen heulen
proverb[man ˈmʊs mɪt den ˈvœlfən ˈhɔʏ̯lən]
Behave as those around do, so as to not get into trouble; when in Rome, do as the Romans do
man muss mit den Wölfen heulen is a German proverb meaning “Behave as those around do, so as to not get into trouble; when in Rome, do as the Romans do”.