It is also true that the less love you have, the more depression you are likely to experience in your life. Love is probably the best antidepressant there is because one of the most common sources of depression is feeling unloved. Most depressed people don't love themselves and they do not feel loved by others. They also are very self-focused, making them less attractive to others and depriving them of opportunities to learn the skills of love.
There is a mythology in our culture that love just happens. As a result, the depressed often sit around passively waiting for someone to love them. But love doesn't work that way. To get love and keep love you have to go out and be active and learn a variety of specific skills.
Most of us get our ideas of love from popular culture. We come to believe that love is something that sweeps us off our feet. But the pop-culture ideal of love consists of unrealistic images created for entertainment, which is one reason so many of us are set up to be depressed. It's part of our national vulnerability, like eating junk food, constantly stimulated by images of instant gratification. We think it is love when it's simply distraction and infatuation.
One consequence is that when we hit real love we become upset and disappointed because there are many things that do not fit the cultural ideal. Some of us get demanding and controlling, wanting someone else to do what we think our ideal of romance should be, without realizing our ideal is