What explanation dues Demetrius make?

Demetrius explains that his feelings for Hermia have shifted, initially being infatuated with her but later finding himself drawn to Helena after being affected by the love potion. He acknowledges the absurdity of love and how it can change unpredictably. This shift emphasizes the theme of love's irrationality in Shakespeare's "A Midsummer Night's Dream." Ultimately, Demetrius's transformation highlights the complexities of desire and affection in romantic relationships.