We all know that cheaters are no good, once a cheater always a cheater is what I like to go by. Some of us fall victim to the serial cheater and it makes us miserable.
Whether you believe this or not there has been a new study that was able to link dishonesty and the brain. When you take this sort of thing into consideration it makes it a bit easier to understand why serial cheaters are ‘unable’ to stop what they are doing. The paper I am referring to is titled “The Brain Adapts to Dishonesty” and in this claims are made that  every time someone lies they feel less and less guilty about doing it.
This is because of the amygdala, a part of the brain that provides us with a negative response when people lie, every time we are dishonest with ourselves or others this response weakens more and more. Researcher at Princeton Neuroscience Institute, Neil Garrett (who is also co-author of the paper itself) said that the findings they have made will need to be tested on relationships specifically in order to determine whether or not they could be applied to infidelity but that it seems quite likely.
You see the thing that keeps us from cheating is the powerful emotional reaction that goes along with it. We feel bad about it and when we adapt to it we do not react in the same way, this allows us to do it more. The serial cheater most likely felt bad about it in the beginning but has since cheated so much that they no longer feel anything negative when they do it. Of course, there is also the possibility that they never felt bad about doing it in the first place as well.
what do you think about this and have you ever dealt with a serial cheater? I guess what it all boils down to is whether you will cheat in the beginning or not. Some people will and others will not. It does help to understand why some assholes do the things they do but it does not excuse their behavior in any way.