Julia knew without a doubt that this was an instance in which she needed to watch out for Gabriel.
If he slept with Christa, not only would he be violating the non-fraternization policy and putting his
academic career at risk, he would likely end up embroiled in a nasty personal situation with the
hoping-to-be-future-Mrs. Emerson. It was more than possible that Christa was trying to seduce him
in order to exact revenge for what had transpired in Starbucks earlier that week---actions Gabriel had
taken on Julia's behalf.