Gemma Whelan's Audition for Yara on 'Game of Thrones' used the most uncomfortable scene

When Yara Greyjoy reunited with her long-lost brother on Season 2 of Game of Thrones, the two did not recognize each other. They're ignorance didn't make the scene that followed — you know, the one involving fondling and a horse — any more comfortable to watch.
Well, turns out that moment was one of the scenes Gemma Whelan, who plays Yara, had to enact during her GoT audition.
There was one major difference, though: instead of Theon "working away on" Yara (Whelan's phrasing) in the