T-Rex: It's fun to go to parties! AND, it's fun to wear costumes! I therefore invent...

T-Rex: ...the "costumed party"!!

T-Rex: At one you get to wear a costume AND show it off in a party scenario, such that -
Dromiceiomimus: It's already been invented, T-Rex. Costume parties are a known thing!
T-Rex: W-What? And you've gone to them?
Dromiceiomimus: We've ALL gone to 'em!!
T-Rex: Well where was I? Why wasn't I invited??

Utahraptor: Oh, I was wondering when this would come up! Allow me to explain.
T-Rex: Please!

Utahraptor: In EACH INSTANCE you were travelling or otherwise unavailable, so we knew you couldn't make it. With each new party it became less and less likely this would hold, but it has. It ALWAYS has. As such, I have come to believe we're in the least likely timeline and each new party you miss renders our entire cosmos even less probable.

Off panel: I have no idea where or how this ends - and contemplating it unlocks a fear in me so deep and terrible and boundless that I dare not interrogate it too closely.
T-Rex: Oh!
T-Rex: Well, thank you for explaining it; I've no further questions