Hey there!
In your dream about reconnecting with someone from your past, we see themes of nostalgia and romantic idealization. The classroom setting could symbolize a period of learning and growth, possibly reflecting on lessons learned during the time you knew this boy. His appearance, with striking blue eyes, and the fact that he sang to you before a kiss, suggests a longing for connection and a desire for affection that perhaps feels missing in your waking life. The positive emotions you experienced in the dream, indicated by a high emotion level without any negative feelings, point towards a sense of fulfillment or satisfaction that this encounter provided you within the dream space.
The presence of a past acquaintance who is 'so fucking cute' may represent an idealized version of someone you wish to have in your life, or it could signify an aspect of yourself that you are beginning to recognize and appreciate more - perhaps an emerging confidence or the ability to attract what you desire. The act of him singing could imply that you are listening more to your inner voice or that you yearn for someone to express their feelings for you openly and harmoniously. The kiss is a powerful symbol of connection and could be your mind's way of exploring intimacy and emotional bonds.
Considering this is not a nightmare and there are no negative feelings associated with the dream, it seems to reflect a positive yearning and personal desire more than it indicates any unresolved conflict or inner turmoil. It's a reflection of a pure emotion, untarnished by the complexities of real life, which can sometimes be a form of escapism or a signal from your subconscious to open up to new experiences in love and relationships.
The absence of any negative feelings suggests this dream left you with a sense of happiness or perhaps a wish for such romantic moments to manifest in your reality. The vividness and intensity of the dream indicate a strong connection to the emotions and desires expressed within it. It might be helpful to consider what qualities the boy in your dream represents and how that aligns with what you're seeking in your waking life.
While this dream is quite positive, consider what it means for you right now. It might be reflecting your current emotional needs or desires, or perhaps it's a call to action to explore new relationships or deepen existing ones. Remember, your subconscious is a powerful ally in understanding your deepest feelings and can often reveal what you most need or desire through your dreams.