Who in their right mind let Clara use that dangerous time travelling device? Isn't there nobody to tell her it's very bad for you? The only thing to ever justify using that thing ever
is if you intend to suddenly appear out of the Pandorica with a fez and a mop in the middle of something.
I hope that after the Doctor told her not to do it right before she smiled, she reappears and finds herself stuck with one of the other Doctors (the most annoying preferably). That will serve her right for her insolence to ignore the Doctor's warnings. She's even a bigger baby than he is. Should have let the adults like Rose and the Ninth handle these things.