One is a person who is not used to expressing feelings and is afraid of feelings, so he chooses to avoid feelings (awkward protagonist)
One is that before I met him, I only knew about work. After meeting him, I realized what ups and downs are (using habit as a means)
One is not afraid of anything, just afraid that he will ignore me (using obedience as a means)
One is good at everything, but a bit novice (using laissez-faire as a means)