1st he seems to he cute...as he was..but still...then he started obsessing over Fl just bcoz of an "act of kindness"  .

* He starts waiting for her more than 30 min , Followed her to know where she lives , stalked her over just some excuse of "retuning money " cute if we see this as cute teenage crush behaviour 

But then real game starts as she shows no interest in him he start to manipulate her .. making her guilty..she clearly rejects but he still make every move to feel comfortable to her... Following her in school her classroom , proposal with roses , note on that cash , actual singing/proposing in front of everyone... Most important thing  When  he Literally throws banana milk and Gets angry on her front of EVERYONE, then say sorry to her in private.... that's a freaking RED Flag behaviour right there...i am not gonna cmt on fl cuz she had rejected him in most clear words ..where as some dumb fl's can't do it ...and makes people confuse... That's it from my point of view