to return to a previous state or habit
вернуться в прежнее состояние или привычку (vernut'sya v prezhnee sostoyanie ili privychku)
"He fell back into his old routine after the vacation."
"Он вернулся в свою старую рутину после отпуска." (On vernulsya v svoyu staruyu rutinuy posle otpuska)
to emotionally recover from pain, trauma, or loss
to examine your thoughts or motives before reacting
to feel proud of one’s cultural identity or heritage
to become so excited that you lose control of your feelings
to follow certain principles or moral values
to start moving (of a vehicle)