No, because Jules knows. Basically he was all "I have something important to tell you!" And she was like what? And he made a complicated analogy to cereal. And she was like "what are you saying?" And Shawn was like:

"... ... ... I don't know."

And then Lassi came in and awkward hugged Jules all over. And Shawn went away. But she saw him watching her with sad puppy eyes.

They all thought she was dying, is the why.