so, maybe Tae's brother said he's starting not to like Ilay probably because he thinks he ...

so, maybe Tae's brother said he's starting not to like Ilay probably because he thinks he will take his brother, and this is just a theory, which is very likely wrong, but what if Tae being his brother's gil-whatever, his good luck, is because he's the one person in his life that he loves most, and what if he starts to grow such strong love for Ilay and that luck transfers(?) to Ilay cause by that point he will be the person Tae loves most, honestly I'm spouting bullshit but it was just a thought, tell me if I'm wrong tho gng spoilers welcome