Sometimes people send naked photos because they are made to feel guilty. They might say “I sent you a photo, so where’s mine?” or say that you “promised” them. This is emotional blackmail and can make you think that you ‘owe’ them when you do not.
Source: Sexting | Online and Mobile Safety @ ChildLine
image: Pro Juventute Aufklärungskampagne ‚Sexting’ Themenbild_10 by Pro Juventute under Creative Commons license