Lauren's son dealing with his parents' divorce. Learns boxing from Jim and supports his brother Tyler at his baseball game.
Lauren is Brendan's divorced mother.
Brendan is identified as one of Lauren's two sons, both of whom struggle with their parents' divorce.
Mark is Brendan's father within the divorced family.
Mark is Lauren's former husband, and Lauren's two sons are presented as the children affected by their divorce.
Jim builds trust with Brendan through boxing lessons.
The plot states that Jim teaches Brendan how to box during the vacation.
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