At what age did you become an adult? Activity › Forums › General Discussion › At what age did you become an adult? This topic has 1 reply, 2 voices, and was last updated 6 years, 4 months ago by henry. Viewing 1 reply thread Author Posts October 17, 2014 at 10:17 am #16353 SadieMarieParticipant At what age did you become an adult? October 17, 2014 at 11:41 am #16398 henryParticipant When I turned !8. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In