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Harry Potter star Emma Watson thinks that she makes a ‘rubbish’ girlfriend – because she’s always working.

The star, who earned 29 million dollars in 2009 and was named Hollywood’s highest-paid woman last year, explained that she is constantly busy and does not have time to be in a relationship, reports the Daily Telegraph.

“It’s rubbish being my boyfriend. People are constantly coming up to me, I’m always working,” website Musicrooms quoted her as saying.

“I don’t have a boyfriend at the moment. It feels good, actually. It’s nice to be selfish,” she said.

The 20-year-old, who is now a student at Brown University, Rhode Island, has also added that she will always keep her romances private.

“I’m never going to confirm or deny who I am dating, but if they keep doing it, the tally will get so high – not very Hermione,” Watson added.