raising my step daughter.

my boyfriend just got custody of his baby. she’s moving in soon and i’m so scared. the baby is very familiar with me and the circumstances are completely for the child’s best interest. do you guys have any advice? i’m really scared honestly. she wasn’t around they often at our house but now she will be obviously and i’ll be with her alone from the time i get home from school until he gets home from work and on weekends when he works. i am about to be a mom and i’m scared. so scared.