This dream may symbolize a desire to reconnect with a past love or friendship. The message from the boy you liked two years ago could represent a longing for a time when things were simpler and more carefree. The invitation to hang out may reflect a desire for closure or resolution in this relationship. Going to his house could represent a return to familiar territory and a sense of comfort. Playing with his little sister on the slides may symbolize a desire for innocence and playfulness in your current life. The strangers joining in on the fun could represent new opportunities or unexpected connections that may arise from revisiting the past. Going back to their home and hanging out more could symbolize a sense of closure and moving on from the past. Overall, this dream may suggest a need to reflect on the past and find closure in order to move forward and embrace new beginnings.