If the only time he can recall ML being gullible is from when he was crayon eating age then maybe he needs to chill out. The fact that the brother literally had no idea about the stalker proves that he can't be there to protect him all the time. Keeping him caged is only gonna make him more dependent on you, to the point he can't protect himself anymore. And let's not forget that he's a grown ass man who's definitely stronger than your average human, he can definitely protect himself.
If the only time he can recall ML being gullible is from when he was crayon eating age then maybe he needs to chill out.
The fact that the brother literally had no idea about the stalker proves that he can't be there to protect him all the time.
Keeping him caged is only gonna make him more dependent on you, to the point he can't protect himself anymore.
And let's not forget that he's a grown ass man who's definitely stronger than your average human, he can definitely protect himself.