[ he does something good for dio and dio immediately thinks there's a calamity. he's not entirely wrong, and anyway he's not sure how to tell him how worried he is, so he settles with something in the middle: ]

I worry about you.

This way you'll have enough to live on for a while, and you won't have to deal with whatever it is that's going on outside.

[ he moves towards dio again, his hand on his forehead, on his neck to check his temperature. when dio squirms away from his touch, giorno just tsks and grabs him back, frowning. ] You're a bit warm.