Liam Payne gets on well with all his One Direction band mates.
But he's always been seen as the most serious member of the band.
'I used to be - not so much any more!' Liam, 19, tells Now's Dan Wootton.
'I'm a lot different, actually. I've loosened up.
'I haven't changed myself, but I try to be nice and calm and relaxed about things now.'
How has he managed that?
'Just hanging around the guys,' he explains. 'We have a massive influence on each other.
'I spent the night yesterday at Zayn's house.
'We all have this amazing brotherhood and that's what makes this job so special.
'If we didn't have each other I think we'd crumble a little bit.'
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