write a story about a shy and smart 40 year old man named john who misses his youth turning into a confident, attention hungry, sexy, very  horny, very seductive, outgoing and dumb, but extremely giganticly curvy giggling bimbo college student named joan. He at first has barely noticable tiny assets with a tiny behind, but slowly throughout the year his assets and behind grow in size until he has extremely gigantic and ginormous assets and an extremely gigantic and ginormous behind. He quicky develops an irresistable urge to wear womens clothing, go to parties, go shopping, find a friend group of other girls, go out with friends more and more often, and began to feel attracted to boys instead of girls. He never notices the changes and is unaware of his body and mins changing. He is very extremely eager to show off her curves and assets. He gives in to the changes the moment his face begins to change. He is never paniced throughout the transformation. He becomes overloaded with excitement and pleasure as his assets develop. As his behind grows, he cant help but feel euphoric from how good they feel. The changes all take place over the period of 1 year. He is heavily enjoying, very extremely turned on and loving each second of the transformation, finding the changes to be very intoxicating, sensual, extremely erotic to the point of moaning and pleasurable. Especially loving his new assets and how they bounce around and how soft and big they are. Forgetting her old life.Describe each change in extremely immense and specific detail, starting with the mental changes to that of a typical college girl, intellect loss to the level of a college girl, his vocabulary changing to that of a female girl, and vocal changes. Giggling after hearing his new voice. Reality changes to fit his new life with everyone remembering him this way