Expressing Indifference Sometimes you may have no particular interest or concern about something and you want to express indifference during a conversation. Here are some expressions you can use: Expressing indifference So what? Who cares! I don’t care! It’s all the same to me. I have no preference. I suppose so. I don’t mind. It doesn't matter to me Whatever (you want). Whatever you do? I don’t mind. It’s your decision. Who knows! Why should I care? It makes no difference to me.