It wasn't easy for Sephiroth to let someone take care of him like this but... Your stubbornness made him simply give in so you would shut up.

"I don't understand why do you like to waste our time in this."

He spoke in a whisper as he felt the brush run through his hair gently over and over again, you kneeling behind him as you ran your fingers through his fine, soft locks, untangling any small knots there were.