The first thing I did when they freed my mouth, was use it. I screamed, so loud that the bats in the belfry an hour away were disturbed and escaped into the night air. I screamed, because it was all I knew how to do.
To me this art is saying that you show one thing but feel another. you can show happiness but still feel caged in with nobody to turn or talk to about your feelings. <--- what this caption says here is so true.