It's OK To Let Out A Deep Sigh

Even if others think you sigh / Takes out energy and strength /

I already know / That you had a day that’s hard enough / To let out 
even a small sigh / Now don’t think of anything else / 
Let out a deep sigh / Just let it out like that

Someone’s breath. That heavy breath.

How can I see through that?

"한숨 (Breathe)" Lee Hi
(Song Written by Kim Jonghyun, 2015)

p.s. :

It's okay, it's okay to let out a deep sigh.

You did a good job.