Responses
She's very kind. It takes a lot to accept that your brother loves your husband and to decide to let them both fall in love after you "leave". Damn, I got emotional
Yes, she is. Because she understand very well the pain of losing family, that's why she believe that if her brother and husband were together, they will overcome it
Meanwhile in the afterlife Nee-san be like:
"TAKE A HINT, BOTH OF YOU! TAKE IT!!!!!" (╯°Д °)╯╧╧