In the most basic sense, a serious relationship is one in which youre completely committed to your partner; youre totally open and honest with one another; you trust each other deeply; and youre on the same page, not only in terms of your values and ethics but about your future together as well.

Does a serious relationship mean marriage?

What does it mean to be in a serious relationship? A serious relationship exists between people who imagine a shared future. For many people, this means imagining that they and their partners will be together until they both die; it may also mean marriage, moving in together or planning big trips.