User blog comment:B214/Talk About What You Want! 2/@comment-72.196.132.197-20140725060324/@comment-67.176.158.104-20140725173617

I think Sirzechs would be a little jealous that he is no longer the only one to see Grayfia naked, but nothing actually happened. On top of that Ise would never make a move on a married woman. He might get flustered when they seemed like they were coming on to him. Think back to Rias' mother,but then again who wouldn't, and Issei did try to get out but Grayfia kept pulling him back in. And don't forget she was drunk.