Saitama not taking "My Cyborg body does not require" for anything. Its cold out? He will bundle Genos up in so much winter clothing he can't put his arms down. Hot outside? He will make sure theirs plenty of Genos' favorite strawberry and chocolate swirl ice cream and Blue Raspberry flavored popsicles to to eat and cool down. He makes sure Genos also eats three HOMECOOKED meals a day and makes sure he sleeps enough, he'll even bundle Genos up in blankets on chilly nights.
He still requires a home and a family to share it with………////////////