Age Reversal, Triumphant Fountain of Youth

This story is one of a pharmaceutical chemist, facing numerous aging problems in a retirement home!
He refuses to remain inert. He researches alchemy to the fullest, and finally manages to come up with a formulation that worked wonders; he self-administered it and was astounded with the results, particularly with his sexual rejuvenation. The news spread with the speed of lightning. He became popular with women, leading him to their abuse. He contracts STDs that dash his dreams. He avenges his condition by willingly infecting others. His conscience finally kicks in and he becomes remorseful. He ends up with AIDS and refuses treatment, believing it was a well-deserved punishment for his sins. A story of fame and infamy!