Dream About Strangers To Friends

so i dreamed about im in the house happy with my mom,dad , brother and younger sister, but i saw a boy there which is i know and he lives with us,he even called my parents mom and dad,in real life we are actually communicating 3 years ago,and i heard he likes me,and i kind of liked him back,but I didn't believe the people who said that, because i think hes a type of guy who has a high standards,and used to chat each other,and its like now our situation is strangers to friends to enemies to strangers,i don't get it why is he suddenly in my dream and lives together with me and my parents and called my parents mom and dad,i even saw that he also ate with us dinner and breakfast,