Question: how to change your my eyes only password if you forgot it?
Answer: Swipe left in Memories to the 'My Eyes Only' tab., Tap 'Options' at the bottom., Tap 'Forgot Passcode', Enter your Snapchat account password and tap 'Next' ... , Read the information, and if you agree, tap the circle icon and tap 'Continue', Create a new passcode and confirm it.