Pinks ex-boyfriend, Carey Hart is devastated following his split from the singer - and has become a workaholic to cope with his heartbreak.The couple parted ways in February after two years of marriage, and Hart has since immersed himself in starting up a new business venture, a nightclub in Las Vegas, in a bid to ease his pain.The motocross ace has said; "I miss everything about her. I became a workaholic (since the split). I work 19 hours a day. It's a tough situation to be in but I love her to death."Hart admits he isn't ready to move on: "I'm not in any rush to get back into a relationship."

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