everybody can relate to it who has a sibsibling, but there's something about this relationship that worksstage. >> it is almost unique i would say in show business, your relationship. a brother and sister who have been doing what you've been doing for so long who still like each other. >> well, let's don't push it. >> well, you know, there is at different relationship as we have matured. definitely it's not 14 and 16 years old anymore. but, you know, there's a mutual respect, and it's nice to be out there with somebody who they can tell if something is not working and they're there to cover ep other or whatever it is. >> it just happened the other night. marie was feeling under the weather and i filled in for her and just couple weeks prior to that, just the reverse thing happened. i was really feeling bad, she filled in and did some more in the show. >> is the bottom line -- >> pulled it off. >> if it's your sister, you can completely trust each other. >> yes. >> in a way that maybe -- >> i can emphatically say yes. >> it will be 100%. >> that's the thing about us. people say what keeps