Show Your Teeth
Typically, when people smile, they feel good, or they see something attractive to their eyes. Also, let’s not disregard that if you bare your teeth too, it may look scary. This is more like the latter, in this particular instance. Again, why did he think it would be nice to have such a thing stretching through his chest? He, unfortunately, can’t do anything about it.

Show Your Teeth
The Most Redundant Representation
They typically feel good when people smile, or they see something attractive to their eyes. Also, let’s not disregard that it may look scary if you bare your teeth as well. This is more like, in this particular instance, the latter. Again, why did he think that it would be nice to have something like this stretching through his chest? He, sadly, can do nothing about it.

The Most Redundant Representation