Just when we thought that Rob Kardashian and Blac Chyna (kinda, sorta, maybe) were a match made in heaven, it seems the twosome are calling it quits. Over the last 24 hours, Rob has deleted all traces of Blac from his Instagram. Then, he posted a video on Snapchat accusing Blac of being a psycho b****. The video shows Rob’s arm bleeding after Blac allegedly scratched him in an argument. Now, there are reports that Rob believes Blac has been cheating on him and has requested she do a paternity te