Im thinking of getting a horse.to replace my car?

im gonna pimp that mother up with low shoes and put dreads in its main.im gonna paint it green with metalic finnish on its toes and that.get myself a real mother of a saddle and ride it wiv a full faced helmate and leathers.i intend to use it like a car.take it to the shops.park it up.ride it down south and stuff.we did this sort of thing in the past why not now.where can i get a fast horse?