not the ml being a red flag now that they are boyfriends

Seriously... can't he just smile and be happy!? They clear all their misunderstanding once after a so many years... why still grumpy?¿ tha'ts nonsense!
I mean, I understand a little his worries and "controling side" but, isn't it too much for just their first day as a couple?¿?¿?¿???¿¿?¿?¿ I don't see it romantic even if in a Manhwa this behaviour is seem as "protective".
But... wherever ╮(￣▽￣")╭, let's just hope this dubious behaviour of ML won't last another chapter, and see them happy in their romantic date!!!! If not, I'm just gona ignored I read this ┑(≧∀≦)┍