He's not easily made aware of his own feelings. He's a rough and tough sort of guy, and he has dedicated himself to swordsmanship so much that he's neglected to focus on himself and his interpersonal relationships, and he's not really self aware at all of his own feelings, very out of touch with his emotions.
This results in him becoming insanely protective, one of the most protective yans out there. He's easily one led into paranoia delusions regarding your safety.