The 24-year-old singer - who starred in the popular boy band alongside Niall Horan, Harry Styles, Louis Tomlinson, and previously, Zayn Malik - has admitted he broke down in tears when a family meal was disturbed by a clumsy cameraman, who pushed his mother over by accident.
Recalling his lowest ebb, the 'Strip That Down' hitmaker told the Daily Star newspaper: ''I just wanted a burger with my parents.
''I cried my eyes out. I thought, 'I can't do this' and I really hated my life.''
Meanwhile, Liam previously revealed that he struggled during his time in One Direction, because the band members could rarely leave their hotel while touring.
The singer admitted that their fans were so passionate about the group, it made it virtually impossible for them to step outdoors when they were on the road.
He shared: ''It sent me a bit AWOL at one point, if I'm honest. I can remember when there were 10,000 people outside our hotel. We couldn't go anywhere. It was just gig to hotel, gig to hotel. And you couldn't sleep, because they'd still be outside.
''People were speaking to me about mental health in music the other day, and that's a big issue. Sometimes you just need some sun, or a walk.
''One of the problems was that we never stopped to celebrate what we'd done. I remember us winning loads of American Music Awards and then having to get on a plane straight away.
''It got to the point where success was so fluid. I don't even know what happened to our songs, we just sang them, then sang some more. It was like a proper, hard job. Non-stop. I can concentrate a lot more now.''
Once a fire fighter, always a fire fighter.
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