Isn't it common knowledge that the MC is the Queen's "lackey'? Then wouldn't ML assume that she's dealing some sort of info to the queen?
Everyone think that MC is queen's lackey because she was brought into the castle by the queen. MC even made sure the queen really thinks so. Its the reason why ML was so cold toward her at the beginning. But MC said that she's on his side and she believes in him, she proved it with actions not only words so he trusts her
YES! He's your man(づ ̄ ³ ̄)づ