Ah yes, I suppose that would be true. Not to worry, I can teach you.

[Thus, provided Rey doesn't have any objections, Obi-Wan will reach for her hair and start undoing the messy little bun that's left. And then carefully start brushing the tangles out of her hair.]

In the Jedi Order, the Younglings and Padawans always wore a braid. A very small one mind you, right about here.

[His finger lightly tapping the side of her head right behind Rey's right ear.]

So I was required to learn, you see.