These two are brother and sister

Reuters photo: Sinead and John Kerr at the European Figure Skating Championships in January in Tallinn, Estonia.

The Wall Street Journal did an interesting article about figure skating pairs that are brother and sister.

The ice dancing competition starts Friday, and it's one of the sports that requires a little bit of sizzle between the couples on the ice.

But how do you keep the romance when it's your sibling in your arms?

One method from the article: "Our coach told us envision someone else's head is there," says Chris Reed, 20, who dances with his sister Cathy for Japan. "It's all an act."

Alexandra Zaretsky said: "We try to find ways to kind of look through--or look a little up, or a little sideways,"