Thoughts
One of my biggest personality flaws is that I get insulted by things that weren't insults or weren't directed at me.
The reason for it is simple. As I imagine I've mentioned before, I don't believe in a "true self"—you are only who you are at any given time, and that is subject to change, either because you change yourself or your environment changes you.
This means that it's very easy for me to imagine criticism towards someone else as being towards me.
I guess this is technically high empathy, but it's more selfish than the way "empathy" is normally used—I may defend someone only because my overactive imagination imagines myself in their place.
This is very closely related to another flaw of mine, although with a distinct cause. Namely, I take criticisms of groups that I am in very personally. This is probably the result of a huge ego.