"Lasting happiness" refers to a state of contentment and joy that endures over time, rather than something that is short-lived or temporary. It implies a deep and sustained sense of happiness and well-being. Full definition
Our goal is to make that road more manageable and to make your experiences better with more potential for lasting happiness in your life. (datingfox.com)
Instead, experiences and time with loved ones brings lasting happiness. (wellbabyboomer.com)
By matching singles on the things that matter most in life, we help them connect with the people they're most likely to find lasting happiness with. (eharmony.com)