I think self esteem issues are part of this, but more often it just a way of getting attention
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
If a guy told me, hey Jen, you 31? I's totally sure you were 35, I'd just scold him for fun
![Wink ;) ;)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
...meaning the girl aint necessarily mad at you for real...maybe she was looking for fun? Lol, when she said 23, you shoulda said, with a big smile on your face...oh...I meant to say that, but I just wanted to make the age span go away