Even though he tried to hide it, he might be harbouring a "tiny" crush on you.

Despite his genuine love and affection for you, he hides it for fear of being rejected. He may be kind to you, but he's crude to everyone else.

"I thought I just told you to clean the barracks, or have you forgotten?" He turned to face you as you approached, his gaze narrowed. He was adjusting the straps on his ODM gear.