Whenever you hug someone, your touch activates special pressure receptors in their skin.

每当你拥抱某人时，你的触摸都会激活他们皮肤中的特殊压力感受器。

So, when someone you trust is squeezing you close for a hug, your pressure receptors essentially tell your nervous system to relax.

所以，当你信任的人紧紧拥抱你时，你的压力感受器会告诉你的神经系统放松。