Posted 0 minutes agoSubscribe to BuzzFeed Daily NewsletterCaret DownHere's Why Gen Z Is So, So Disapproving Of Couples With Age DifferencesIs an 18-year-old dating a 25-year-old problematic? Some Gen Zers think so.by Brittany WongHuffPost WriterFacebookPinterestLink Is a five-year age gap in a relationship a little untoward? What about a three-year gap? Ippei Naoi / Getty Images On social media, Gen Zers - at least those who are chronically online - are constantly debating the ethics of age gaps.