[ "If something goes wrong"...but haven't things already gone very wrong? He doubts this was the outcome that LILITH was hoping for, but Yuji's optimism is infectious, and he wouldn't place doubts in someone who has wisdom and experience that he does not. ]

...I'm sure your right. They're not the type who would go down without a fight, either...

[ He finds his smile again, and turns it to the other boy. ]

Just like you, Itadori-kun. They'll push through, no matter what.