See however R’ Tzadok in ???? ????? ??? ??? who explains that ???? ?????? ?? ?????? ???? ???? ????? ???? ??? ?’ ???? ???? ????? ????? ???? ??? ?????? ?????? ???? ?? ??? ?????? ???? ?? ?????? ??????? ?? ??? ???? ?????? ???
that the seforim only become your “friend” once you use them to come up with chiddushim.