text: should i feel guilty? i'm 23. should i feel guilty about having sex with someone who is underage. they lied about their age and told me they were 21. why would someone lie about it? girls are devious sometimes and  lie  to  get what they  want .. um   i  dont think you should feel  guilty .. i mean  she's  the  one  that  lied to you  ..unless you slept with her again after   knowing ? welp  careful 15 will  getcha 20  if u  know what i mean