In an interview given to Vanity Fair the "Hello" hitmaker said the depression she had was frightening.
"My knowledge of postpartum - or post-natal, as we call it in England - is that you don't want to be with your child; you're worried you might hurt your child; you're worried you weren't doing a good job.
"But I was obsessed with my child. I felt very inadequate; I felt like I'd made the worst decision of my life," Adele said.
"My boyfriend said I should talk to other women who were pregnant, and I said, 'I ain't hanging around with a bunch of mothers.' Then, without realizing it, I was gravitating towards pregnant women and other women with children, because I found they're a bit more patient."
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But having a conversation with a friend who faced the same issue was what really helped her cope with the PPD.
"My friends who didn't have kids would get annoyed with me, whereas I knew I could just sit there and chat absolute mush with my friends who had children, and we wouldn't judge each other.