Not only did the "Harry Potter" franchise bring Daniel Radcliffe unbelievable success, it also introduced him to his girlfriend, Rosie Coker.

The 22-year-old actor met Coker, a production assistant, on the set of "Harry Potter and the Deathly Hallows - Part 2." He tells Parade magazine in this weekend's issue that he's "absolutely" in love with her.

"When Rosie's here, every day seems better," he explains. "I'm not an easy person to love. There are lots of times I'm a very good boyfriend, but there are times when I'm useless."

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