To protect ourselves, to make ourselves look stronger at the outside, in the deepest corner of one's heart, perhaps there is a brick wall embedded within. As we grow older, the brick wall grows sturdier and more solid as well. This makes it more difficult for us to accept another person. It would also be difficult for us to be accepted by another person. In the end, we lock ourselves within the brick walls. Would we be lonelier? Perhaps loneliness is more bearable than pain itself.