Responses
Pretty sure that was a flashback to something that happened in his past, seeing how he'd been crying his eyes out he obviously got betrayed by someone he trusted and cares about (probably by his brother or dad).
Oh thank you
i thought in that moment we saw future jay who was concerned and with to say that to young master
Damn did he died or what what jay meant with i wish i told u thattt
Istg if his older brother touched haesoo and broke them up i better see his head on stick or something