By Laura Armstrong Dancing On Ice’s Greg Rutherford has been told to reveal his raunchy side… by his fiancee. Some contestants on the ITV show worry about getting a bit too close to their pro skating partners. But Olympian Greg says his partner, former dancer Susie Verrill, actively encourages him to sex things up. Susie has been coaching the Olympic long jump champion through his moves ahead of each routine with his skating partner Vanessa James. And after he was asked by the panel to improve his facial expressions, Greg admitted Susie had already told him that he looks “like he wants to murd…