Jennifer Aniston’s fear of going underwater stems from a childhood trauma.

“I was a kid and I was riding this tricycle around a swimming pool and I drove my tricycle into the swimming pool and I didn’t let go and my brother tried to [help me],” the actress told E! News.

“I basically have a real fear of going underwater,” said Aniston, adding that “no one” believes the phobia is real.

The 45-year-old had to face her fear head-on while filming her new movie “Cake,” in which she plays a woman suffering from chronic pain and an addiction to prescription painkillers who partakes in water therapy.

It took roughly 30 takes for Justin Theroux‘s finacée to get the film’s pool scene down.

Click here for more on Aniston from The New York Post.

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