If i dint know any better id say this reminds me of Carl Gustavo Jung's "Shadow" its a psychology term meaning ones polar opposite. According to Jung feeling strongly in a positive/negative way is painful, because it only reinforces the negative aspect.
Like some one claiming Christianity, and judging harshly against a non Christian. The more they do it the more they feel the need to, until the need to express their righteousness becomes unbearable.
Another example would be a kid saying "i dont like spinge