The application will help you to make new helpful habits or get rid of the bad ones in seven-day intervals. Seven is the length of the "good job" phrase. For each day in which the set goal is achieved, another letter is discovered. When the whole phase is discovered - you've done a "good job", and you can (should) reward yourself for this, to reinforce further motivation. If on some day the goal is not achieved, then you need to start your "good job" from the start. The application is based on