We tend to quit or create the belief that we lost way too early. The truth is that most of the time all we have to do is analyze the data, make an adjustment, and execute a new strategy.
Football coaches know that you don't win the game on the first play. They run plays to gauge the opponent and create a strategy that will win that specific game. Life and business are much the same in that we have to put a strategy into action, analyze the data, and then adjust based on the information we receive.