Consider the context and how you feel about the sunglasses. Some possible meanings include:
- An attempt to project a certain image
- "Shading" or protecting yourself—for example, from people around you or from facing reality
- Trying to control or affect your perception of situations, events, or people in an unnatural or skewed way (other than reality)
- Distancing yourself from people, relationships, or social interactions
- Feeling private, or like you want to hide yourself or your feelings, or like you don't want to be bothered by others
- Feeling insecure