Wait wait wait? who said there is no single player? I haven't seen Anything that says there will be no single player.
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'The perfect date knows when to shut up. We're not doing like a movie or dinner, none of that BS. We're goin straight... to Heaven. We'll do a little small talk while we're... you know, gettin on the Action, like "What's your name?" "How much is this costing me?" "Are you gunna try to rip me off cause I've been ripped off before?" "I know where my wallet is, don't mess with it!"' -Carl