Black magic🤔🤔🤔🤔

Some one believe in this? My friend and her husband was very happy couple, and them everithing change, her husband even tell her that him hate her! And the next day apologise and him telling her don't know what happen to him feel angry all the time egainst her but deeply inside still the love and don't want to lose her.... Sometimes can sleep feeling stuck, him have a women in the past and leave her, and she promise him never will be happy with not one!  What she need to do? I'm seen her how hurt is feel very sorry😔