Wife tell me her past sex stories

Hi all!! I always ask my wife about her past! Is this normal that I find it a turn on about the stories she tells me...! One being how pickrd up her friend (guy) from the train station when she was at uni...when they got the car he snogged her and she pushed him away and told him to wait. On the way back to the student house she said she was feeling really wet knowing she was gonna get shagged as soon as she got home....let me know if anyone wants to know more