Mal’s strange illness. It’s contagious. She got Evie sick.
OR
The stress and lack of food from living on the Isle cause some bodily delays for Mal and Evie. Now that they are in Auradon, their hormones can catch up. They are not prepared for it.
ALSO
In which the Isle kids refer to sex as 'fucking' and Fairy Godmother is not paid enough for this.
