for the past two years or so

strangers assume that i'm younger than I am. this is a new phenomena for me. growing up, i was always a bit taller than everyone else and was always told that i looked older than my age. now, i've been asked if i'm a college student a couple of times and believe it or not, i've been asked if i'm in high school by more than half a dozen people. very strange. i definitely wear less make up than i use to and no longer really "do" my hair -- could that be it? oy, is it too soon to have let myself go?
I suppose all the effort i put into looking older throughout adolescence, wanting to appear "more mature," actually worked and now that i'm at the age i always wanted to be and was trying to embody, i'm looking like an 18 year old. when i went to a make-up counter this weekend to get a run through of the make up i might like for the wedding day, numerous people walked by and squealed: "oh, prom! how exciting!" um, no, child bride.
I suppose i should be flattered, right? women all want to look younger than they actually are but i'm not sure i'm a woman yet and so being told i look prom-age, is just kinda strange and a little bit embarrassing. it makes me feel like i should be doing more to look like the Brooklyn hipster in her twenties that i am. ok, maybe not. that all seems like a lot effort that i just don't have the patience or desire to maintain.
also, did you know that i have to start wearing under eye cream? i had dinner with a friend recently and she alerted me that our time had come. yes, we need to start taking care of that skin under our eyes. apparently, i need to start this behavior right away or else, when i'm 30, i might look 30.