Just watched the latest episode (EP7) so spoilers ahead.
I really like the dynamic of this relationship. It started as playful and somewhat innocent but progressed into something more than they expected. I'm still on the fence if Vee has something for Dome at the beginning, and somebody mentioned that's the reason he's avoiding Dome even though they're both on the track team. I agree that Dome feels like the relationship with the sister is a "should be" relationship but lacking any romantic attraction on his part. But one thing I noticed is that Vee almost always baits Dome and since Dome always took the bait, he now cuts the line with him saying they should stop whatever their current relationship is now. But since Dome willingly took the bait and liked it, he knows they can't really go back to the beginning. The locker room talk was I think the first time Dome was the one who approach first or took the initiative and I'm very thankful for that phone call. It saved both of them actually crossing the line. Discussion for latest episode (EP7)
I commend Dome for deciding to "might" end things with the sister. But ending the relationship doesn't guarantee a relationship with Vee, hence that talk before the game. Knowing that Dome might end the relationship while seeing his sister happily unaware of the things going behind her back (giving support to both of them, mouthing I love you, encouraging him to give his best rather than aim to win), Vee's internal struggle now has an additional self guilt and it's physically manifesting. Porsche's acting on that whole scene nailed it for me (fidgeting, irritable). I'm quite surprised that this show includes that physical manifestation as most of the time on these shows that internal struggle is glossed over.
I really feel for these characters as this type of relationship do exist and doesn't really end well for all those involved. No one is ever really happy or at the very least all those involved have a tainted relationship with each other (regardless if one ended up with the other or none at all) after sh*t like this happens. In the most idealistic way we want Vee and Dome to end up together and the sister finds her one true love. If Vee and Dome really do end up, I'm hoping it wouldn't be immediately right after the breakup. Side note: Kudos to Vee for giving an excellent advise to Saen while having that internal struggle himself.