Sex is the highest form of love beyond which a man/woman could not express his/her love. when your words are not enough to express your love towards him/her . Sex makes the partners to connect more emotionally . This actually helps to strengthen their bond. Sex is one of the way of Ultimate communication.
But now a days people are trying to find plessure in sex. There is hell lot of difference between having sex with a normal person and with the loved person. When you have sex with normal person you might feel plessure,happy but when you have sex with your partner the feeling is complete different.
Sex with love is plessure
Sex without love is prostitution.