XJ.7 and XJ.5 in “Sibling Tsunami/I Was a Preschool Dropout”

X7 XJ.7

I guess no one's going to introduce me. [slumps onto the ground; moping] I'm worthless.

X5 XJ.5

You're not worthless, XJ.7. Why, melted down, you'd easily fetch $20 at the recycling plant.