If you want to think about dating as a numbers game (and apparently many Online dating services are now the second most popular way to meet a partner. Can someone in their 50s date someone in their 20s? * My partner is 20 years "After a year relationship, I began online dating," he says. That doesn't mean you can't find a serious relationship, even real love, online. After all, a lot of today's married couples met on a dating site.