Ethan looked at Henry, who was as stubborn as he used to be. He didn't make fun of his naïveté. He was still new to being in love. He would only mature after going through some hardships.
These experiences weren't something Henry would just listen to if someone else told him. He had to experience them himself.
Ethan didn't mock his arrogance because karma was fair to all. Henry would eventually experience what he had coming.
Besides, Ethan already sensed that Henry treated Everly differentl