Complex sentence: She is so happy and anxious to arrive at her house with "Welcome Home, Pookie" sign in the entrance door, and Andi makes a relief of surprise on introduce Juan Pablo to her parents, her older sister and her brother-in-law.
Split into simpler sentences: She is so happy and anxious to arrive at her house, where there is a "Welcome Home, Pookie" sign in the entrance door. Andi introduces Juan Pablo to her parents, her older sister, and her brother-in-law.