I think it depends on your maturity level ...like how much do you actually have in common with a girl that has NSync posters on her wall... are you lookin for a bone cause that 18yr old skin sure does look good no stretch marks, no cottage cheese ... but as far as intellectual stimulation.... I can usually only stomach talkin bout boy bands and cafeteria food for bout 1/2 hr ,and then Im like .Hey, isnt that your older brother,no really, get out of the back seat and take a look....car door slams,(tires peeling)