Boris Johnson posing for selfies with voters

The video covers various topics, starting with an introduction to time series, followed by a discussion on Brexit and its implications. It then provides instructions on recording and offers health-related advice. The video concludes with thoughts on taking selfies and final remarks.

What can be inferred about the speaker's mood from the statement 'really good. No, I can't.'?

What does the speaker imply by saying 'How are you now? Still tonight'?