~Always there for you when you want them, aka never too busy to hang out with you.
~Very predictable, no surprise characteristics that make you hate them.
~Often the coolest people ever, always saying the right thing, and mostly hilarious (at least the ones I hang out with).
~Can stop hanging out with them at anytime without worrying about hurting their feelings.
~Never have to worry about uncomfortable chit-chat, and if it does come up you can just skip it.
~If with an especially attractive one you can stare at them without being creepy.
~Never have to get "dressed up" to chill with them.
~Mostly very attractive.
Con's:
~Not real.
I honestly don't know which column wins...