Lysander doesn't like Demetrius because Lysander and Hermia love each other and want to be together, but Demetrius loves Hermia and they are being forced into an arranged marriage. And Demetrius doesn't like that Lysander wants to take Hermia from him.
The correct answer is that Lysander doesn't like Demetrius because Lysander and Hermia love each other and want to be together, but Demetrius loves Hermia and they are being forced into an arranged marriage. And Demetrius doesn't like that Lysander wants to take Hermia from him.
