learning you are learning about the effect of your actions and so because you're learning about the effect of many possible actions you could take would be the Q value if I turn to the left well did you follow that turn to the right what if we the Q value I look up look down and you're really learning something about how the world works and not just how the world works with how your actions interact is what happens in the world another usually loss is reward prediction so what you do here is for your current pause that you're executing