They'll be thinking
We haven't done much but we're 2-1 up, woohoo. If we get into it a bit more we can stuff Villa.
We should be thinking - we've dominated possession and passing etc., we've got control, let's just cut out the sloppiness and create some proper chances.
Time for Unai to weave his magic: Half time bollockings/pep talk? And his typically effective 2nd half substitutions.