The crossword solutions for the term 'Dwell Constantly (On)' are 'OBSESS' (6 letters). Obsessing is a behavior that involves focusing on a certain thought or idea to an extreme degree. It can be a sign of mental health issues, such as anxiety and depression, but it can also be a normal part of life. Dwelling constantly on something can lead to obsessing over it, which can be detrimental to one's mental and physical health.