Tuesday, November 5 and Chapter 17 Summary

Erin writes on her blog that Mark asks her for Jilly's name. he proceeds to list out all of the things Erin has ever said about Jilly. Erin decides she will put the janitor's statement to the tes by seeing which lasts longer, a friendship or a romantic relationship.

Jilly spots Mark and starts telling Erin how cute he is. Erin says she's not spying for Jilly. When Mark walks in the building, he says hi to Erin. Jilly asks Erin why she pretended not to know him. Jilly asks if Erin likes Mark. Jilly says it's good they've never liked the same guys, but Erin thinks about several guys they both liked but Erin just didn't say anything. When Serena sees Erin, she tells her she told her so about Mark and Jilly getting together.

Erin...