Severus glared at him , but said nothing for the moment . ' If there were any other way , you know I would be the first one to defend your private life with the girl . But at the present , this is the only solution . There 's no way you can carry on a relationship inside the school 's walls with an unmarried girl .

Question with options to choose from: Why is this the only solution ?
Select from: i. Because the relationship threatens Severus . ii. Because the relationship ca n't be carried out at school . iii. None of the above choices . iv. Because the relationship is doomed to fail .
ii.