-- No - ! [Knee-jerk sort of answer in courtesy, but it's true it wasn't transparent.] -- I apologize... I uhm -- ...I think I ask because - you don't seem used - yet - to -- ...talking - like this.

[A clearly stumbling response, in reasonable likelihood, and given without much strength accordingly - has no idea whether that may have sounded a little discourteous as well even in a mild and friendly tone, clumsy and vague phrasing - even he isn't entirely, articulately sure what he'd meant by "like this."]