Answer
You did not state what strange things your mother say and do. We, therefore, cannot comment on her actions and sayings.
However, Sulook means a path. It is generally used as a term to indicate training in road towards Taqwa and piety. Sulook should not lead one to do anything strange against the Shari?ah.
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai