Thought! All the full circle symbolism. Whether intentional or not.
Jamie pushed Bran out the window to protect his and Cersei's love.
Tommen jumping out the window began the domino effect of crumbling their love. As one of the great things Jamie loved about Cersei is how fiercely loving she was as a mother to their children. And now all that remains is her ascension to the throne. As the mad, cruel queen. Winning at all cost, even that of her children.
Two boys falling out of high windows began and will likely end their great love story.