Responses

i believe he wears the gold ring to get myeong's attention by giving out the vibe of "someone that's already have a significant other" aka "not single" aka "married" but truthfully he isn't
or
it's actually a ring for myeong but he is nervous and trying to get myeong's attention at the same time, he keeps on touching the ring.
I’ve seen The video and still don’t understand it