Garry settled into his new life with ronny and they were happy together as Ronnie age she was afraid that his forever youthful companion would leave them but he remained at his side till he drew his last breath. Garry resented Ronny for never undoing the immortality as he felt like he was forced to drift throughout life falling in love and watching people slowly wither age and die.
Eventually the ecosystem began to deteriorate and all human life died unfortunately Garry develop the ability to no longer require oxygen as it dispersed from the planet it eventually became an arid Rock where he walked around and tattered remains of clothes that he salvaged eating whatever remaining Crustaceans and bugs existed on the planet surface until one day a massive asteroid came hurdling towards the planet Garry wept tears thinking that it would finally come to an end just to find himself propelling through space undying and adapting.