Process is a repetitive collection of interrelated tasks aimed at achieving a certain goal. Project is a unique endeavour with a beginning and an end undertaken to achieve a goal. Process management has emphasis on increasing repeatability of the tasks, efficiency (descreasing time needed, reducing cost), increasing quality (including consistency in quality).
Motivational Interviewing was developed to treat addictive behaviors, but has also been found to be effective in changing health behaviors such as physical activity (Hecht et al., 2005), dietary behaviors (Burke, Arkowitz, & Menchola, 2003), and obesity (Carels et al., 2007).
Exercise, taking a break from the task at hand as well as maintaining healthy eating and sleeping patterns all help in improving your mood, anxiety and stress. By alleviating some of these roadblocks, being motivated can become easier. For long term improvement of motivation issues, try to identify the root cause.