One of the wrong ways of bringing up the child is to mollycoddle them and put them in extreme well-being. There is a narration from Imam Kazim (peace be upon him) concerning this issue that says: the one who has not experienced any sufferings and hardships in his life, the other's kindness and benevolence has no value for him.
Bihar-al-Anwar: 333/78, Hadith 7
source : erfan.ir