"She hasn't yet," he answers, before he can think not to. The TARDIS is the only one who's shown him some sympathy and kindness lately. He has a few people he's friendly with, but none he can confide in - he can hardly burden kids like Luke with his problems.

"...Has she been setting anyone on fire?" he asks, realising that didn't sound like a random example. That doesn't sound like her. Well, unless she had a good reason. He has no doubt she's capable of it.