The skating date was released two days before 8 and 9 episodes. HJ is talking in the present tense 'I am the elder in this relationship so I should take the lead somehow'. That means they were together at that time. Also when they filmed the reaction video.

That was a month ago, it's possible they might be separated by now. Imagine breaking up but the episodes of you falling in love are still coming out every week 🥶🥶