1. Social Isolation: If you consistently avoid social gatherings, events, or even simple get-togethers, it could be a sign of loneliness.

2. Lack of Close Relationships: When you don't have deep connections with friends or family members, it's an indicator that you might be a lonely soul.

3. Overthinking and Worry: Constantly dwelling on negative thoughts and worries without someone to share them with can be a lonely experience.

4. Online Oversharing: Sharing personal details and emotions excessively on social media might be an attempt to fill the void of loneliness.

5. Difficulty Sleeping: Loneliness can disrupt your sleep patterns, leading to insomnia or irregular sleep habits.

6. Loss of Interest: If you've lost interest in hobbies or activities you once enjoyed, it could be due to loneliness.

7. Physical Ailments: Loneliness can manifest physically through symptoms like headaches, fatigue, or even a weakened immune system.

8. Negative Self-Image: Loneliness often leads to a poor self-image, as the lack of social interaction can erode self-esteem.