If you're ever lucky enough to get zephyred by Kathy, you'll notice that she has a randomized signature. Here is a list of her signatures:

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stop me
Where's the line dividing self-discipline and masochism?
IGNORANCE is POWER
You're hurting me.
We're all trying to be someone we're not.
"...churros are special things."
forget yourself
Determine Fate
Happy, healthy, and holy.
my eyes hurt