InvidiaRed

the best way to learn about futuristic socities would be to read stories set in the future like science fiction. Exactly, how far into the future is this society in a decade? a century/centuries? because it's kinda important if its in the far future where nano's help keep you body in shape and diesase is a myth or even has recreational purposes then society has to reflect that like (Ex: like getting a newsfeed on your data displayer that someone actully got sick and people start freaking out because its unheard of.) setting wise you have free reign from utopia to distopia maybe corporations are the true power in your setting maybe the people are just like us ... With better toys

She is realistic no sue that I can see however, I think you need to differenate between vampiric immortality. and true immortality since you protray them as hard to kill but not impossible to achieve.