Peace Lilies grow extremely fast (in good growing conditions) and even if it wasn't root-bound when it was re-potted (we don't know this) and don't know how much larger the pot was (if any larger at all), it still could be root-bound.
drdawg (Dr. Kenneth Ramsey)
The reason it's so hard to lose weight when you get up in age is because your body and your fat have become good friends.
