
Where is the correlation?? I'm so lost

The parents' neglect made her feel different compared to the other kids, and since homosexual relationship isn't the norm, she is linking that to reject too.
To her, their relationship will lead to Haebom ending up as sad as herself, basically.
Which is 100% dumb, she KNOWS how it feels to be set aside & here she is, continuing this cycle.
Blondie looks like a child, I'm sorry but compared to the other dude he looks like he's 10 years old..