How can I help my friend who suffer from anxiety?

He is my best friend but he gets paranoid. He once called the police on himself because he thought he stole a pop. He pays with his card and walked out the store without the receipt. We hooked him up with a girl who is agressive in bed. He told us they are about to have sex. I'm scare he might call the police... show more He is my best friend but he gets paranoid. He once called the police on himself because he thought he stole a pop. He pays with his card and walked out the store without the receipt.

We hooked him up with a girl who is agressive in bed. He told us they are about to have sex. I'm scare he might call the police on her thinking shes trying to accuse him of rape.
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