What is the khulwah that is forbidden?

It is not permissible for a shaykh to be alone with a non-mahram woman in order to recite ruqyah for her

Sitting with non-mahrams in complete hijab

Woman smiling at a non-mahram man

He fell in love with a girl then he repented. Can he be friends with her?

Dangers of mixing with male cousins and relatives

Bus driver being alone with a woman

Prohibition on either spouse forming a relationship with someone else just for fun

Ruling on male student shaking hands with a female classmate

He has contacted her several times saying that he wants to propose marriage, but she does not know anything about him