Pretty much. If Shiro wasn't positive about everything that had happened in his life, he might just sit down in a corner and not want to get up again. He had learned long ago that this was not an effective way to live.

"That's definitely something and yeah, a good example of perseverance. There are pictures of trees that came up close to barbed wire fences where the tree grows around the fence. Yeah, I believe peppers are hot to keep them from being eaten."