Teenagers aren't mentally ready, or responsible for relationships. Love at first sight? No, lust at first sight my good gentlemen, there is a difference.
adult one- look at those good for nothing kids
adult two- lets cross the road before they tryto sell us drugs
Fellow teenagers who demonstrate ageism toward their own peers are generally anti-social, bandwagon-jumping slapwads who try too hard to appear edgy and enlightened, thus categorizing them with other lameass individuals of their age bracket; this behavior can only be encapsulated with the term "teenager," by their defintion.