There is a lot of TV and streaming content about love and romance right now. Many shows are trying to answer the question of what true love is. How do you know if you found it? Long-term relationships are dependent on the qualities psychologists have studied for years. Some of the surprising insights from experts, surveys, and research papers were listed by Insider. If you notice that your relationship does not meet all of the criteria, that does not mean you should end things with your partner. Consider this list a general set of guidelines that can help you begin to evaluate your relationship. Increasing demands on our spouses have been placed over the past few decades. We no longer expect them to be financial partners, protectors, and companions, but we do want them to provide personal fulfillment. Eli Finkel suggests that if you want to be happy in your marriage, you should not look to your partner for all your needs. Finkel says to find yourself in hobbies, friends and work. Researchers from the University of Illinois at Urbana-Champaign and the Pennsylvania State University at Harrisburg looked at nearly 400 dating couples. Dramatic, conflict-ridden, socially involved, and partner-focused are the four patterns of commitment they identified. Dramatic couples show a lot of fluctuations in their commitment to their partners over time. When partners couldn't spend as much time together, they experienced fluctuations in commitment. When friends and family changed what they thought of a relationship, it can cause fluctuations. Conflict-ridden couples had a lot of mini-fluctuations in their level of commitment. Dramatic couples were more likely to break up than partner-focused couples. Keep reading.