You shouldn't aspire to do well just to gloat.
Lisa has always stood in her older sister Naomi's shadow.
Lisa wants to be successful.
Lisa strives to reach her goals in areas that please and interest her.
Lisa works hard in her studies and work so that she may one day rub her sisters face in her success.
Lisa is able to reach a level of success that brings her happiness.
Lisa's success feels hollow as she has been working to prove herself to someone else.