Quatre has a sort of odd feeling about Trowa, like he's on not entirely stable ground, but it's barely noticeable -- especially as it's overwhelmed by the knowledge that Trowa is a good person and trustworthy.

Quatre tends to trust the soul of the universe's advice completely.

He nods. "How are you?"

He expects, if Trowa would prefer French and/or Arabic, he will ask to switch.