This picture was taken from: https://www.sarahthebarge.com/blog/2017/09/caterpillars-dont-will-themselves-into-butterflies
"A young boy came across a butterfly cocoon and brought it into his house. He watched, over the course of hours, as the butterfly struggled to break free from its confinement. It managed to create a small hole in the cocoon, but its body was too large to emerge. It tired and became still." Read this story here: https://www.lifeandwhim.com/first-moments-blog/2018/the-struggle-makes-you-stronger