At least it saves them asking you now, I guess? There's no way to win in that situation anyway - if you said "yes I think it'd look great!" and then they went

At least it saves them asking you now, I guess? There's no way to win in that situation anyway - if you said "yes I think it'd look great!" and then they went and got their hair cut to match your suggestion but didn't like it, is it your fault for saying "yes"?