I've been at it for 6 months now, the first 4 months strict LP, the last 2 a little bit more free-form with some easy Wed days and some days with just one work set. After 5 months dropped bench and press due to shoulder discomfort.
But I have made massive progress in squat and deadlift. Recent succesful 1RM:
Squat: 396 lbs (180 kg)
Deadlift: 506 lbs (230 kg)
Powerclean: 253 lbs (115 kg)
My 17 year old son has also had excellent progress: