Complex sentence: She tries to get him to stop dealing drugs but he says no because he is a "soulja" but he understands why Nettie is worried about him, because he is in a cold war and there is nothing nice in the Magnolia Projects.
Split into simpler sentences: She tries to get him to stop dealing drugs but he says no because he is a "soulja". He understands why Nettie is worried about him, because he is in a cold game and there is nothing nice in the Magnolia Projects.