我告诫过自己
[wŏ gào jiè guò zì jĭ]
'I warned myself,' expresses pre-cautioning or restraining. This suggests the persona is conscious of his weaknesses and tries to remain vigilant or control impulsive behavior in advance. Self-alert or reminder could involve warning off unreasonable desires or actions that might lead into traps or troubles, embodying a rational or mature outlook in personal development and relationship maintenance.