I really like the closeup of the guitar with both hands in this lesson.
I've got the vamp and verse worked out but can't follow the right hand strum as you play it in the Chorus Lesson Part 6 between 2.28 and 2.39 minutes in.
Although the video section I have quoted above includes the hammer on, I couldn't follow the faster ( no hammer-on) strum explained a few minutes earlier.
You count out loud 1 2 3 4, 1 2 3 4, 1 2 3 4, 1 2 3 4 but can't figure what up strums down strum and missed strummed I'm listening but my right hand just does not want to go there!

Earlier in Part 3 - Strumming you explain that the chords are strummed in pair with a slight difference in the second.
I eventually figured that out for the vamp and verse as there were a couple of slow explanation I managed to follow.
I wondered if you might explain / play a slo-mo demo in the weekly news of the Dm strum for the first 4 measures of the chorus.
Thanks
Dermot