I think this is his thoughts in his head not actual actions. In his head he sees him and her "going down" (sex). If the music video for this has any correlation to the meaning behind this song it would be the local 7 eleven for a club and car stereos blaring for music. in the video if i recall correctly he sees her walk out with a man and he sees her and him in his head instead of her and the other guy.
I think this is his thoughts in his head not actual actions. In his head he sees him and her "going down" (sex). If the music video for this has any correlation to the meaning behind this song it would be the local 7 eleven for a club and car stereos blaring for music. in the video if i recall correctly he sees her walk out with a man and he sees her and him in his head instead of her and the other guy.