Susan Ross: [after George tells his mother he and Susan are getting married, her mother asks to speak to Susan] I just want you to know that I love your son very much. Estelle Constanza: You do? Susan Ross: Yes. Estelle Constanza: Really? Susan Ross: Yes. Estelle Constanza: May I ask why?
This quote occurs at 00:10:40-00:10:50 in the video.