Sharon Osbourne is becoming “scared” of life in the US. The 71-year-old star has lived in Los Angeles for a number of years with her husband Ozzy, 75, but the pair recently announced plans to return home to the UK and she has now explained that she wants to come back because she is feeling more and more “jittery” living across the pond. She told Yours magazine: “It’s just time, I still feel very English – I’ve never felt American. More of my adult life has been spent there, but I’ve never acquired an American accent. I’m British and I want to come home. I look at the years and years I’ve lived…