Just like we take medicine when we are sick, sex is also like a medicine that when one has fever or sexual desire but it is not an instrument for happiness. Conflict is a repayment for taking sexual pleasures. It is not to be controlled rather one needs to understand the pros and cons of it.
To know more visit here:
In English: http://www.dadabhagwan.org/path-to-happiness/self-help/how-to-practice-celibacy/can-married-people-attain-liberation/
In Hindi: http://hindi.dadabhagwan.org/path-to-happiness/self-help/how-to-practice-celibacy/can-married-people-attain-liberation/
In Gujarati: http://www.dadabhagwan.in/path-to-happiness/self-help/how-to-practice-celibacy/can-married-people-attain-liberation/