By Kenzi Devine & Kate Wilson Sharon Osbourne returned to TV screens this week when she entered as a ‘lodger’ in the revamped version of Celebrity Big Brother \- but admitted she “can’t cope” with being in the whole series. The 71-year-old is only on the ITV show for five days rather than the full 19 days of the celebrity series. Revealing the heartbreaking reason why, Sharon said it was too hard to be away from husband Ozzy, who has Parkinson’s Disease. She shared: “I don’t want to stay away from Ozzy for too long. We’re so close as a family. I don’t think I have ever gone a week without talk…