Complex sentence: The gypsy girl gave Mia a bag and told her to open it when she turns 18 and she will find her true love and told her to choose carefully so she wouldn't hurt her family.
Split into simpler sentences: The gypsy girl gave Mia a bag and told her to open it when she turns 18 and she would find her true love. She told her to choose carefully so she wouldn't hurt her family.