It's because they're the type to live in this exact moment right here, right now. The building wasn't getting wrecked right now so everything was alright in the world. They're still excited as the run translation along with Sxicq.

"Ciqu qu fi, Qu' fenra ciqu ivfum, ciqu quf' fenra ecq ecq"
"They said 'This is hers, I'm leaving this behind, this isn't leaving the shell'!"

Fen sounds just a little too happy about all of this, honestly.