Complex sentence: She had a hard time accepting his responsibilities as Bruce Wayne's employee initially, but became more understanding regarding his frequent absences later on it is revealed during the Justice League episode Epilogue that Terry was going to propose to her.
Split into simpler sentences: She had a hard time accepting his responsibilities as Bruce Wayne's employee initially, but became more understanding regarding his frequent absences. Later on it is revealed during the "Justice League" episode "Epilogue" that Terry was going to propose to her.