[ James isn't wrong. Given everything going on back home, it makes sense that Barry would be working on his speed (when isn't he, honestly); and it isn't like timelines not matching up is a new concept.

He still takes a second to consider it, quiet, then he offers a chagrined look. ]

Yeah, definitely. Sorry I don't remember you— I know it's gotta be awkward. You said you're new to all this, right? The time travel and the...

[ A vague gesture towards the coffee shop, though the implied meaning is 'alternate dimensions'. Probably. ]