the way his brain works and the way he thinks thoughts...it's beautiful." However, their relationship has been famously bumpy.

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After all, Jen even introduced him to her 75-year-old dad John a few weeks ago.

And today, in California, Jennifer seems incredibly relaxed and more confident than usual as she talks about falling in love.

"It's an amazing thing to watch a musician think," she reveals.

She may have had her heart shredded by the world's sexiest man but Jennifer Aniston keeps coming back for more.

And this time the actress - who loved and lost Hollywood heartthrob Brad Pitt - hasn't just fallen head over heels again. Speaking for the first time about John Mayer - the man dubbed "Hollywood player Mayer" due to his insatiable appetite for sexy A-listers - Jennifer gushes like a smitten schoolgirl.

In an exclusive interview, she blushes: "He's a rare one.

He is extraordinary and it is wonderful to watch him...

"There's no lying, there's no cheating, there's no nothing," John, eight years her junior at 31, explained back then.

"People are different, people have different chemistry.