Keep in mind he's also trying to talk normally at the exact same time. He can't look at his hands in the middle of his speech and go, "Morse code for Q... Is it 2 dashes and a dot... or 2 dots and a dash...hmm... and how far apart do they need to be?"
4:20 only point he uses his hands
here is the Morse code
--.-
https://morsecode.world/international/translator.html
Keep in mind he's also trying to talk normally at the exact same time. He can't look at his hands in the middle of his speech and go, "Morse code for Q... Is it 2 dashes and a dot... or 2 dots and a dash...hmm... and how far apart do they need to be?"