TRUE ! his trauma is so deep rooted that the only way he thinks he can keep someone that he obviously loves is by owning them or treating them like a “pet”. but now he’s been “abandoned” even though they weren’t technically together, which basically shatters his entire belief system. maybe i’m reading too deep into their characters, but it’s interesting how complex yoonwon is, especially with how he deals with his trauma.
yes you are right he felt rejected and abandoned when Dae lied to him already. that's why he snapped hard (he's got anger issues bc of unprocessed anger towards his mom for treating him the way she did). but he feels that that level of rejection he can handle as long as he makes Dae live with him
Yoonwon can't say he likes Dae bc his mother rejected him. As long as he doesn't reveal his feelings and is not actually in a relationship with Dae, Dae can't reject him. If Dae rejects him it's like... this is going to confirm that yeah, Yoonwon is an unworthy piece of shit indeed, not needed by his mom, not needed by anyone. He is trying to protect himself from pain. He needs to do something about his trauma instead though ofc