Jason Sudeikis has become the star to watch this year.

Sudeikis has never been a celebrity to keep things private.

For the most part, the actor seems like an open book.

Jason Sudeikis smiling

“You never notice it as a kid, because smell is only pizza and farts.

The root of his inability to smell things is a condition called congenital anosmia, per Insider.

(We love that theory!)

Jason Sudeikis smiling