That’s about 15 years, or roughly a fifth of their lives.
For an activity undertaken over such a long period of time, dating is remarkably difficult to characterize.
Many college students and 20‑somethings don’t start dating until after they’ve had sex.
Dating can be used to describe exclusive and nonexclusive relationships, both short-term and long-term.
A 2016 study tested this phenomenon in two settings: speed dating and online dating.