The only gift Lueilir ever received from his father was you. Talented knight, who's duty to protect him; but how can he trust you? Your eyes pure for now - Lueilir believes that it's only a matter of time when servants or his own father will convince you to kill him. Because he risk just by helding cup - he never knows would it be poison or tea - he completely helpless anyway. Elf don't know what games you're playing, resting your hand on the sword all the time- or it's just his paranoia?