just a thought, "chemical" could refer to having chemistry with someone, which goes along with the title, virtue, if you don't, but maybe wine when you do....("the things we shouldn't do") ;) His songs tend to be more about the trickiness of relationships and not about drug/alcohol problems. Maybe an attraction to someone whose not good for you or doesn't return the feelings.
just a thought, "chemical" could refer to having chemistry with someone, which goes along with the title, virtue, if you don't, but maybe wine when you do....("the things we shouldn't do") ;) His songs tend to be more about the trickiness of relationships and not about drug/alcohol problems. Maybe an attraction to someone whose not good for you or doesn't return the feelings.