
Just my opinion but imagine talking about your dead mom and shit then boom you're horny (not complaining but just a thought)

I think jitae is just overwhelmed with relief and was very touch when he finally realized that the hyung he love is indeed his ally. His passionate feelings might have finally erupted after realizing that fact , and since he was already horny when taking the drugged mc back home (≧∀≦)
Before that he will even hideaway the mc even though he thought the mc could be an accomplish to his mom's murder since he was at the crime scene.
Crying actual tears when he say "that's my favorite thing in the whole world" looking at his dad's smile. Yiho is the cutest CUTEST BABY I've ever read