[The despair that's weighing him down is palpable, and she understands very well-- it's no stranger to her. After being betrayed and returning to her death at Camlann not that long ago, it took all she had to keep going, to not let her own failures and that dammed hill beat her, but she did pick herself up. She knows he can do the same.
Her hand tightens on his shoulder, even though he probably can't feel it, and she rests the other on one of his own]
I touch you just as I touch any other, because you are also a person. Your exterior matters not to me.