Some things are hard to understand. “And we know that all things work together for good to them that love God, to them who are the called according to His purpose.” - Romans 8:28 (KJV)
He fell spectacularly. “For Solomon went after Ashtoreth the goddess of the Zidonians, and after Milcom the abomination of the Ammonites." - 1 Kings 11:5 (KJV)