"When I split up with him, I said, 'It's because I'm never there.' When you are involved with someone for a while and they decide to express their feelings to the public, well, that's not my personal way of therapy but everyone takes split-ups differently. You should have to sit an exam before you go on Twitter. To see if you're mentally stable." Pop star RITA ORA slams her ex ROB KARDASHIAN for using Twitter.com to rip into her after their split.