Morty: You know, Rick, when I first saw all those Ricks and Mortys, I thought, "Gee, that kinda devalues our bond." But then I realized it just means that our relationship must be pretty special to span over all those different timelines.
Rick: Yeah, it's gotta be that way. You're a camouflage.
Morty: Camouflage? Wh-wh-what are you talking about, Rick?
Rick: Ricks have a very distinctive and traceable brainwave due to our genius. The best way to hide from an enemy's radar is to stand near someone with complementary brainwaves that make ours invisible.
[picks his pen]
See, w-w-w-when a Rick i-is with a Morty,
[writes diagram]
the genius waves get canceled out by the, uh... ahe-hem... Morty waves.
Morty: Um... because... our personalities are so different?
[Rick's portal gun beeps]