Berry and Burgundy bided their time .
Were soon able to retake power , in 1392 , when the King had his first attack of insanity , an affliction which would remain with him throughout his life .
Berry and Burgundy bided their time , and were soon able to retake power , in 1392 , when the King had his first attack of insanity , an affliction which would remain with him throughout his life .