I don't believe in "triggers" in specific things, really, but I'll add to this completely accurate summary of our celluloid world that in recent years (past couple decades really) a TON of media/advert/TV/etc drinking culture "promotion" has been aimed at women.
There is a lot of research on the fact that womens' drinking (and alcoholism) has continued to climb (well outpacing mens') and among influences cited, particularly for "early drinkers" like teens and 20s are shows from the 90s (Sex and The City "cosmo culture") to Scandal (Olivia Pope lives on wine and popcorn and the occasional Ghetty's Burger) etc....the popularity of things like Skinny B*tch wines, "mommy's sippy cup" play group culture....so many behaviors around drinking have been greatly normalized - and these are definitely not "normal" drinking behaviors.