CLEAN : China kicks off Harbin ice festival as travel restrictions lifted

The video consists of a series of casual conversations, starting with greetings and moving on to discussions about holding hair and shoulders. It concludes with a variety of topics, including references to Goku and collisions.

What do you think the speaker is trying to express with 'Hope y'all are you.'?

What could 'Goku.' refer to in this context?

What might the speaker mean by 'Valiant were there.'?