Coffee Through a Straw?

So I was at Cuppies and Joe last week to get a little work done for school. As I sat down in getting ready to eat my yummy cupcake and drink my scrumptious Chai (it rivals the Bean and Berry's), I notice a teenage couple on the couch close by.  Now, if anyone has been to  C&J one would no that it is a great people watching place. After settling into my spot and plugging in the Mac I can not help but keep watching these two little love birds on the couch.  They had to be no older than 19, and were dressed very artsy-fartsyish.  The girl was giggling and the boy was petting.  Then the girl takes a drink of her coffee.....through a straw!  It was quite bizarre.  Not a regular straw that one might find at a fast-food restaurant, but a coffee stirrer straw.  This got under my skin for no good reason I can explain.  She then proceeded to use the straw as a flirting tool.  She would chew on it and giggle.  I found the whole scenario interesting and kinda annoying, but I redirected my attention to my studies and listened to my Sigur Ros.  Once the artsy couple left, my friend Jacquie who works there, came out from the counter to talk.  I was voicing my coffee-straw-observations, when another customer chimed in that she notice it as well, and it bugged her....interesting.