Board Thread:Manga Discussion/@comment-71.52.75.8-20130914192419/@comment-178.68.73.222-20150721030259

My thought, based on transformation of vivid, cool Joseph in marasmatic cripple after Part III,  is that remainings of Ripple (which helped him to age way more slowly than normal human) in his body "negates" vampiric fluides in Dio's blood - but with the cost of rapid aging and overall physic degradation.