Over time, this focus on analytical thinking at the expense of affectionate activity reshapes the neurological image we hold of our partner. Our prefrontal cortex does its best to solve the puzzle, but in doing so it weakens the involvement of the more emotional parts of our brain that fire when we think of the one we love. In this way, you can actually recondition your brain to stop experiencing love for your partner. Is it any wonder, then, that people wake up one day and say, “I just don’t feel the love anymore”?