When someone says something very mean-spirited to you, I think it would be perfectly normal to get a little upset about it. But I would imagine that most healthy, level-headed people would get over it sooner rather than later. In fact, I believe that most people would get to the point where they rarely ever think about the mean things someone said in the past.
Unforntunately, I am the opposite. I cling to hurtful words ...