Why does Kerri really call Paul in tangerine?

In "Tangerine," Kerri calls Paul primarily to express her concern for his well-being and to reconnect with him. Their conversation reveals her feelings of guilt and the strain in their relationship, as she grApples with the complexities of their family dynamics. Kerri's call is a moment of vulnerability, showcasing her desire to support Paul while also addressing unresolved issues between them.