Grealish says he has no issue being barracked.
He told the Telegraph: "Being booed doesn't bother me in the slightest, I like it.
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"I've had my problems, even off the pitch, and he's (manager Pep Guardiola) always talked to me and been there for me. That's why I feel like I owe him something.
"I hope to move on towards the end of the season and play these big games, that's what I think sometimes when he says things to the press like 'When Jack trains, he'll play better', I just think it could create a controversy, but he and I have a great relationship."