Vincent van Gogh's pursuit of painting became more fervent following the tragic loss of his brother, Theo, who was a vital source of support and understanding throughout his life. This profound grief deepened van Gogh's emotional turmoil and catalyzed his dedication to his art. The experience fueled his desire to express intense emotions and struggles through his work. His paintings shifted in style and depth, showcasing the post-impressionist themes of sadness, longing, and an unrelenting quest for meaning. This personal tragedy underscored the connection between an artist's life experiences and their creative output.