Erode
The word erode is the past tense of the word erosion. The word erosion is a common word in geographical science or earth science indicative of the phenomena where certain natural or physical substances are lost due to intervention of living organism or the natural climatic factors. Erosion occurs due to overuse of a specific thing again and again. Emotional erosion might occur in an human being. Here, it should be seen as an analogy. When a person’s trust is repeatedly and consistently broken by someone, the erosion of the trust of that person might take place. Human emotions are often blunted due to such emotions. This result in display of emotional numbness in situation which is expected to result in emotional arousal.