Good Morning Britain presenter Kate Garraway, 53, is currently on a break from her presenting duties on the ITV show to support her children Darcey, 14, and Billy, 11, as they return to school for a new term.The host has opened up about how life at home has been without her 53-year-old husband Derek Draper, who remains in intensive care in hospital.“What I have to accept is I’m a de-facto single mum for now when I’ve always said I don’t know how single mums do it,” the mother-of-two divulged.She added: “I’m always thinking how would Derek help Billy; he was so brilliant at all of that.“I imagine all the conversations he’d be having with Derek – it’s heartbreaking to think they may never be having them again.“If someone said to you, ‘This is.