Don 't hide your hurts and pains and feelings inside where they will harden your heart .
不要隐藏你的伤痛和真情实感,那只会使你的心肠越来越硬。
Like the hard-scale buildup in pipes , fibrous plaques can restrict blood flow and harden the arteries . But they usually don 't dislodge to form a life-threatening clot .