How can I tell if a girl is my age? I am a teenager but I look like I'm in my early/mid 20s. I'm actually homeschooled so I can't just hit on girls at my school. Everytime I've gotten a girls number while I'm out doing whatever, the chick is in her 20s and definitely out of my age range. What can I do to tell if a girl is even within my age range without actually approaching?