Why was Paul able to go home during the movie all quiet on the Western front?

In the film "All Quiet on the Western Front," Paul Baumer is sent home on leave due to the psychological and physical toll of war. His brief return allows him to reconnect with his family and reflect on the stark contrast between the home front and the battlefield. However, this respite ultimately highlights the disillusionment he feels, as he struggles to reconcile his experiences with the naive ideals he held before enlisting. His time at home serves as a poignant reminder of the lasting impact of war on soldiers.