LONDON:- Liam Payne says fatherhood has ‘’changed him in every single way’’. The One Direction star welcomed son Bear - who he shares with her partner Cheryl Tweedy - back in March this year and admits it has had a huge impact on his life. He said: ‘’It’s changed me in every single way. It’s the first thing you think about in the morning and the last thing you think about at night ... It’s his first Christmas.He’s only going to be interested in the wrapping paper, so buy the shiniest one!’’ And the 24-year-old singer is looking forward to the festive period and can’t wait to ‘’eat his own weight in lovely Christmas food’’.