The achievement journal is Perlus' first of many steps along her journey to becoming the expert on inspiring and guiding individuals toward achieving their peak performance in every domain.&160;&160; All fitness professionals and current successachievement journals tell the consumer what to eat and how to train. The missing element is how to develop mental toughness. Therefore, using proven mental toughness techniques and sport psychology, Perlus teachs consumers how to achieve their goals while recommending they follow what they've been told to eat and how they've been advised to train.&160; The niche it fills: The majority of individuals who achieve their health and fitness goals use journals to track their progress.