Yes, it is possible for someone to not have any mental disorders. Mental health exists on a spectrum, just like physical health, and not everyone experiences mental health issues or disorders.
A person who does not meet the criteria for any mental disorder, does not experience significant distress or impairment in their daily functioning due to their mental state, and maintains a generally positive sense of well-being can be considered to have good mental health. It's essential to remember that mental health is a dynamic state and can change over time, influenced by various factors such as life events, stressors, genetics, and lifestyle choices.
Promoting mental well-being, maintaining a balanced lifestyle, and seeking support when needed are crucial in maintaining good mental health. Just as people can experience physical health without any chronic illness or ailments, it is possible to experience good mental health without any mental disorders.