[He's using it to not cry himself, so if it helps her then it's a bonus, and he just adjusts it carefully with his injured hand.]

The future usually is, it's why we can't see it. [Why is he getting all wise? He rubs her back though at her cough, hoping it helps her in some way.]

All we can do is be ourselves, and hope they realize we aren't our future selves. Don't try and comprehend something you may never understand while here.