He's one of those people that'll be totally serious then when they see someone they know will break character and act like they're the sweetest person ever.

Cora gets embarrassed a lot because of that.

It happens often too.

Cora could be treating one of the fighters of the pack, and Xavier is speaking to the Leader of the pack about seriously important issues and he'll catch a glimpse of Cora and will literally be like: OH MY GOD IT'S CORA I LOVE YOU BABY YOU'RE AMAZING KISSES

And Cora will stand there like:
Jfc Xavier

(Psssst BlueDaRaptor, Lia does this to Cass as well)