What are some irony in Flipped?

In "Flipped," an example of irony is when Bryce realizes that he likes Juli and wants to be with her, but by this point, Juli has moved on and isn't interested in him anymore. Another example is the juxtaposition of how Bryce and Juli perceive the sycamore tree - Bryce sees it as a nuisance, while Juli sees it as a treasure, highlighting their contrasting viewpoints and personalities.