This document discusses the thoughts and reactions people may have when receiving a series of six cold emails from the same sender over six weeks. The recipient's initial reaction is annoyance at an unknown sender. By the third email, they view the sender as persistent. After the fifth email, they give the sender credit for not giving up. It's not until the sixth email that the recipient decides to take a closer look at the company and product being promoted, finding it interesting. The document concludes that follow up emails can work if the message content remains relevant to the recipient.