Responses
It's not random though, it's been hinted at in previous chapters, so many people could see that ship from miles away and it's not like Heesung liked the Doc long enough for him to not get over it quickly. I could understand if he moved on immediately after liking Dan long term, but was probably for a few days.
And Heesung was drunk in the last chapter, who knows how the relationship between him and Potato will go once they are sober.
Heesung also said he needs to find his soulmate now.
I don’t like potato and heesung together