Brenda Blethyn: "I don"t see the point of having those big inflated lips"

'I don't see the point of having those big inflated lips': Under the microscope with Brenda Blethyn | UPDATED: 00:53 GMT, 24 July 2012 The actress, 66, on why she's a happy person, her ability to fall asleep anywhere and how brisk walking helps her keep in shape 'I'm only 5ft 2in and I could be lighter,' said Brenda Blethyn ANY FAMILY AILMENTS My mum died in 1992 of a heart attack aged 88, as did one of her sisters.