With whom is max angry when he realizes that Kevin is dead why what helps him get over his anger?

Max is primarily angry with himself when he realizes that Kevin is dead. He feels guilt for not being there to protect his friend and blames himself for Kevin's fate. Over time, he begins to process his grief by recalling their adventures and the lessons Kevin taught him, which helps him find a way to honor Kevin's memory rather than focusing on his anger. Ultimately, embracing the positive impact Kevin had on his life aids in his healing.