[Oh, dear - a first-reported physical change... Anthony'd like to try to see what he might be able to offer in the way of words and does think that frown comes off as worried but before he goes jumping the gun wants to test for how so, exactly what of...

Voice cautiously, hesitantly restrained - ] ... -- Are you, uhm -- ...worried, Luke - ?

-- This is Anthony - ...by the way. -- I've talked to you before... [Last sentence trailing off gently - not as if he's assuming Luke would not recall but only meant to confirm his identity!]