The ideal that marriage aims at is that of spiritual union through the physical. The human love that it incarnates is intended to serve as a stepping stone to diving or universal love.
In the dictionary of the seeker of truth there is no such thing as being "not successful." He is or should be an irrepressible optimist because of his immovable faith in the ultimate victory of Truth, which is God.
I call myself a Sanatani Eternal Hindu, because I believe in the Vedas, the Upanishads, the Puranas, and all that goes by the name of Hindu scripture, and therefore in avataras and rebirth.