Ishq e Laa is what remains when those barriers fall. It is the state where the lover realizes that the act of loving is its own reward. You do not love God to get into paradise (that would be transactional). You love God because the very breath of loving is paradise.
When Qays saw Laila, he did not think of marriage, society, or even a future. He simply dissolved. He wandered the desert, speaking her name to the wind, to the gazelles, to the stones. When people told him, "She is married now. Forget her," Majnun laughed. He had never wanted to own her. He wanted to become the space her name occupied. ishq e laa