Song help please

Im trying to find out the song that is playing in the season 2 episode 13 i do, do i. i dont watch the show reguraly so i dont know the casts names, but it is the scene where a guy with dark is getting it on with a girl that starts out with purplish pink panties on. the line thats sticks from the song, "i could always stop my drinking i could always drive my car. if anyone knows what this song is called and who sings, please let me know