I think she meant/imagines that JJ doesn't want her to go, and hopes she hurries back.Either that or she's killed him and is now wracked with remorse.
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Captain Howdy, Fri 8 Jun 2012, 10:26,
archived)
I think it means that they want JJ here to protect them as JJ "understands"(
Michael Ellis In other words "Art thief still keep cartoonist", Fri 8 Jun 2012, 10:41,
archived)