4 ms·

You don't need anything, just the user's affirmative confirmation in response to the prompt, "Are you 18 or older?"

• zuppy 8y ago
  and what happens after 6 months, or a year? you keep nagging the user if it's 18 or not?
  • Sephr 8y ago
    People don't age backwards, so the question doesn't need to be asked again.