 He was with the "Poverello" when the latter retired to Fonte Colombo near Rieti in 1223; to re-write the rule of the order and he accompanied him on his subsequent journey to Rome to seek its approval.The year following Leo was with the saint on Mount La Verna when Francis received the stigmata.Francis called "Frate Pecorello di Dio" because of Leo's simplicity and tenderness.