Is it really fantasy if we really don’t argue and really enjoy each other? Is it a weak relationship?

You know how ideas can be planted in your head? Well, all these thousands of songs about rejection, pain, misery, heartbreak and loss make people believe, that relationships can’t be fun; that relationships have all these attachments of negativity. All this music is making people miserable. I think in a relationship, there can be a lot of positive. Is it really fantasy if we really don’t argue and really enjoy each other?