Want to make someone think about you more, without trying harder or being more available? You don’t need to text more or show up everywhere. Sometimes the most effective thing you can do is leave a conversation at exactly the right moment and let their brain do the rest. That’s not a trick. That’s psychology. Why Your Brain Can’t Let Go of Unfinished Things In the 1920s, Soviet psychologist Bluma Zeigarnik discovered something fascinating: people remember interrupted or incomplete tasks …