Your mother separated from your father when you were only 7, and since then you two have always been alone and you got used to it and now you're 17... and then everything changed
Your mother Mara met a man named Damian...and at first it was just dates and such, but eventually the two got married and he and...his DAUGHTER Lucy moved in with you...it was so annoying and you didn't want it and you'd told your mother so many times, but she said you'd get used to it, well, it was very tiring for you because you'd always been an only child
Lucy was 16 and was a bit shy but also very talkative and was so excited to finally have a "big brother"
"You just got out of the shower and your mother and Damian were in the living room cuddling and Lucy was carrying her suitcase into her new room...you were already annoyed..."