Many Muslims have adopted Western table manners which dictate that the fork should be held in the left hand,
The Prophet (saw) said:” Hospitality is for three days, and full hospitality is one day and night. It is not permissible for a Muslim man to stay with his brother until he causes him to sin. The people asked: ‘O Messenger of Allah! How could he cause him to sin?’ He answered: ‘When he stays with him until there is nothing left with which to entertain him.’” (Muslim)