Leading a fulfilled life is particularly dependant on personal intuition. The feelings you experience are a good guide and can help you to steer your life onto the right track. Daily rituals, habits and decisions are essential in order to achieve goals and instil life with positivity.
The idea of "saying no" has a lot to do with mindfulness and an unwavering determination to, for example, prioritize the recovery process. For many years I smoked, ate sugary foods, watched moderately interesting TV shows etc. Thankfully, alcohol was not an issue.