"More entertaining than listening to the morons here complain all day."

House glances up, looking vaguely amused. Heteropaternal superfecundation. Rare, but possible. But the castle is already brain-breaking enough so he'll save that explanation for later. Besides, time to show off.

"Your accent is the first clue. Obviously raised in Ireland. Second- or third-generation tend to have a much more Americanized accent if they have an Irish accent at all. Most immigrate to New York, but New York likes to mark its residents. Nothing about you says New York so Boston is the more likely candidate. From your injuries and how they've healed you've been involved in some serious fights. A few those look like home remedies. Either hospitals are much bigger jerks to people without insurance than I knew or whatever you were involved with was illegal. They've healed at different rates; some are much older. Boston has a pretty seedy underbelly, so you've been involved in it in some way for some time now. Finally, two siblings around the same age, non-identical, arguing about who was born first? You're fraternal twins.

"Anything else I can help you with?"