For my safety and comfort
I close all the doors and windows
Nothing will come in or go out
A room within a room
...
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we are rigid most of the time and seldom like to change. the last stanza is very dramatic and nice as if listening the crying of the wind to open our heart, but a bubble in our circulatory system may attack our hearts! !
As long as your window is closed you have created a safe haven. When you open the window you are letting the world inside your room. And so the wind cries. Excellent use of metaphors.