Reflection for Eternal Sunshine of the Spotless Mind and Silver Linings Playbook.

please consider film content analysis (which is about the world of the film itself): things like themes, symbols, characters, plot, settings, as well as formal analysis: things like mise-en-scene, cinematography, sound, and editing.

What did you think about these elements in (Eternal Sunshine of the Spotless Mind).  and  (Silver Linings Playbook) ?  For example, both films feature some similar themes, but with different endings, settings, and moods/tones. Both also have strong acting, writing, and directing. How and why did these various elements engage (or disengage) you as a viewer?