People are getting married less and opting for alternative ways of connecting

Relationships trends are, of course, not exactly like fashion trends; they're not in today, out tomorrow. They tend to take a bit longer to develop and come to fruition.

There has been a lot written about millennials and their approach to sex and love. More and more millennials are participating in a sexual culture stripped of sexual intimacy, says The New York Times. Tinder and other dating apps sustain a hook-up culture that allow men and women to date or have sex, with no strings attached.