Lupita said: "We have two different stomachs so we feel full at two different rates." Carmen then made it clear they were not just one individual. She said: "We're still two different people so we have two separate IDs and ID numbers and Ssns (social security numbers) and all that stuff." When it came to studying it was also double effort. Carmen said: "Tests, We take two different tests again. We are still two separate people." Carmen added: "Oh, if I close my eyes I cannot see through her eyes - the amount of times we've gotten that question.