Because you have this great long hair that would look amazing in a braid.

[ As if to emphasize, from where he is, he moves his fingers over the long strands of hair on the back of Kaeya's head. He lets the man stay tucked against him for as long as he wants. If he can bring a small bit of comfort here? Well, he'll do it. So he'll continue to joke and play with the things he says. ]

And don't you want over two-thousand years of experience braiding your hair? You can trust me to make it look great.