Martin struggled after he and his wife, who are parents to Apple, 14, and Moses, 12, famously announced they were consciously uncoupling, leading Chris' bandmates to fear for his wellbeing, reports dailymail.co.uk.
Speaking in a new documentary film "Coldplay: A Head Full Of Dreams " Martin said while the band toured their album Mylo Xyloto, he felt "completely worthless and nothing to anybody".
"I was just like, 'I'm a mess', really, because I can't enjoy the great things around me. Then, of course, I went through a break-up with Gwyneth. Listen, I'm never going to moan, I'm grateful for everything, but it was pretty touch and go," he continued.
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