&gt; I think romantic love is an addiction ...<p>Or perhaps addiction is like romantic love. (Also noticed the first comment for that article also mentions this).<p>Evolution probably had good reason to select an addiction center in the brain because, well ... those that didn&#x27;t have and didn&#x27;t fight for their loved ones, didn&#x27;t start wars because of it, didn&#x27;t care as much, somehow haven&#x27;t made it this far. So that machinery seems to serve a purpose.