Raven, your dream reveals an interesting juxtaposition of discomfort and neglect alongside transformation and awareness. The presence of bugs and red fungi in an unfamiliar, uncared-for house suggests feelings of unease or concerns about neglect in areas of your life. You might feel as though certain issues are 'bugging' you, or there's a 'growing' problem that you're having to deal with, which is not being addressed by others around you.
The specific detail of rolling onto fungi and receiving flesh wounds on your shoulder could symbolize the personal impact of these issues. Shoulders often represent responsibility, so it could be that you're feeling wounded or burdened by a responsibility that you've taken on, perhaps something that you feel should be shared but isn't. The fact that these wounds are on the left side might hint at matters related to your personal life, as the left side is sometimes associated with the more intimate, personal aspects of one's world.
The old house, with its strange neglect despite habitation, may reflect your perception of a situation or environment in your life that is deteriorating or being ignored, even though it's affecting those living within it. The shift to becoming someone else who is both having fun yet bothered by the mold suggests a dual consciousness about an issue. It's like part of you wants to enjoy life but another part can't ignore the problems that are festering.
The absence of negative feelings in the dream, despite its classification as a nightmare, could imply a complex relationship with the issues symbolized here. It's as if you're acknowledging the problems without being overwhelmed by them, maintaining a certain level of detachment. This can be a sign of resilience, indicating that while you're aware of and affected by these issues, you're not letting them dictate your emotional state.
Overall, the dream seems to speak to a recognition of problems or neglect in your environment, the personal impact of these issues, and a call to address them. It's a message about balancing awareness of problems with the pursuit of enjoyment in life, and perhaps a prompt to engage more with these challenges, even if others seem oblivious to them.