He chose, not even the “normal ” life of a common Egyptian, but a life among slaves! Why? Moses had faith.
فَهُوَ لَمْ يَخْتَرْ حَتَّى أَنْ يَعِيشَ حَيَاةَ ٱلْمِصْرِيِّ ٱلْعَادِيِّ ،‏ بَلْ حَيَاةَ ٱلْعَبِيدِ .‏