Akademik

К-339
ВАРИТЬСЯ В каком КОТЛЁ VP subj: human to be a member, usu. for a considerable amount of time, of a certain group or body of people (as specified by the modif ier), absorbing their views, approaches etc: X варился в нашем (в этом) котле - X was one of us (that crowd, their group, that circle etc) X was a part of that crowd (their group etc).

Большой русско-английский фразеологический словарь. — М.: ACT-ПРЕСС КНИГА. . 2004.