your costar in "hacks" is the lovely and talented hannah einbinder. she made her late-night debut on the stage. >> jean: that was the first time i ever saw her. the night before i was going to meet her and audition with her, i googled her and saw her on your show. i said, this is the girl. she's got to be the one. >> stephen: she was on my show and you saw her. don't you think we should get a little -- a little something. >> jean: my scottish grandmother. 5% each? 5105. >> stephen: daddy should get his beak wet, that's all i'm saying. that's a scottish phrase, isn't it? you guys, you're always slinging insults at each other. do you enjoy the playful confrontation between the characters? >> jean: i do. we do it offstage too. i'm always texting her rude, awful things. >> stephen: and h.r. knows nothing about this. >> jean: abusing her as a part of the fun of the job. >> stephen: its back story. i understand you had to get physical with her at one point. >> jean: oh, yeah, that was hard. it was season one. now it would be easy. i had to slap her. i had t