That was fair - she was in the same boat as him, "It's really not that important.." But since it related to him and wanting him to like her more she needed to know his likes and dislikes...aesthetically...too.

"My hair...do you like it better up like this or..down..?" She's been wearing it up for a lot of their journey but it was before she was ready to acknowledge her feelings for him too. And now that they've sorted THAT part out - what he liked was very important~!