There is an ongoing experiment where people are phoned at random times and asked 3 questions. What are you doing? How immersed are you in what you are doing? How satisfied are you? Consistent results show that those people who are fully engaged in present moment experience in an accepting way (mindful), are generally more satisfied than those who are distracted, regardless of what they are doing.
This means that someone who is mindfully washing the dishes is more likely to say they are happy than someone on a cruise in the Caribbean who is distracted. Or someone dealing with a difficult situation may be more satisfied than someone having a day off work but thinking about the past or the future.
Mindfulness practice not only offers the possibility of greater satisfaction but a way to engage with the present moment, without becoming overwhelmed - think the current fires, difficult relationships and just the daily stress that life throws at you.