“Clara’s guilt is heartbreaking – because she knows she wasn’t actually a good girlfriend to [Danny] and she did let him down, but she realises it all too late.”

“Danny was the ideal boyfriend. He was strong and supportive and everything that Clara could ever wish for – but ultimately, Danny wasn’t the Doctor and he couldn’t offer her what [the Doctor] could. For her, she’s always been torn between the two – but I think her heart lies with the Doctor. She can’t give him up. She can’t give that life up and I think that’s where a lot of the guilt comes from.”

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