Becoming number one in the rankings is attainable. The two sisters' strong suit is talent, and imposing physical strength. Their short suit is there are times they lack patience and discipline. They have a tendency to lose control of their temper when they make mistakes from being overly aggressive. Maturity and experience will temper that.
Inner strength is also on their side.
The girls have taken from their father a tough attitude towards outsiders and they appreciate the value of strong family ties. At a press conference at the Acura after a match with Martina Hingis, reporters asked Serena why her father did things the way he did. Her reply was for them to ask him, as she glanced to the back of the room. Some reporters were a bit startled when they realized HE was standing there like a fly on a wall. That toughness and straightforwardness has helped the girls fight through criticism of their behavior and their trademark beads that they wear in their hair.