There is a difference between what is LOVE and what is LIKE. There is a difference between what is BELOVED and what is BEST LIKED.
The heart is the most important beating organ that controls the entire human body, in thoughts and actions. When the heart wants and desires more than what the eyes see and the ears hear, then that can get people into serious emotions and sexual desires - that's when zina of the heart comes in. This is when the heart yearns so much and longs to have a sexual affair with an illegal partner.
More at: http://k-pmmm.blogspot.com/2011/02/mereka-yang-gagal-memahami-erti-zina.html
Initial read at: http://wana93.wordpress.com/2012/04/02/zina-hati-bagaimana-ia-terjadi/