Meaning of "Little Girl Big World" by Magic!

The song "Little Girl Big World" by Magic! seems to criticize someone for their immaturity and lack of responsibility. The lyrics suggest frustration towards a partner who is depicted as lazy, self-centered, and prone to exaggeration. The singer seems to feel burdened by the immaturity of their partner, highlighting a disconnect in their relationship due to the partner's childish behavior. The repeated phrase "Let it do" might suggest a sense of resignation or acceptance of the partner's behavior, implying that the singer knows they can't change the other person's ways. Overall, the song seems to explore themes of growing up, responsibility, and the challenges of dealing with immaturity in a relationship.