Some players are late bloomers plus Li's career was seriously halted by knee injuries
Every player is different. Kim was considered an underachiever, by some, until after she had a child. Then she won 3 majors.
Sometimes not playing well gives your mind & body a break that a player needs.
I wouldnt be surprised if the next 5-7 years will be a lot softer than 2002-2008, when it seemed Justine Serena & Venus were winning 3 slams a year among them
The most wasted of all days is one without laughter....
Even if you're on the right track, you'll get run over if you just sit there Enjoy This Moment!!
HEALTH and HAPPINESS to EVERYONE