Contrary to popular beliefs about Oikawa’s self-centered personality, he’s not the type to really take care of himself. He’s got naturally pretty hair and pretty skin and pretty face - he says he’s blessed by the Oikawa genes, everyone believes it to be true.
But, again, he’s not the type to take time out for himself. He’ll cut his fingernails really short to handle the ball better and subconsciously bites what’s left out of anxiety. His hands are normally dry and rough, sometimes scraped if he landed wrongly on the ground from going after a ball; it’s a sad sight when you look at the bony structures of his wrists and his slender fingers that would, without a doubt, make his hands look beautiful if it weren’t for his lack of care towards them.
The thing is that he doesn’t care what happens to his hands or his knees or his legs or his ankles - he’s focused on one goal and that’s to improve himself. He thinks he just needs his pretty face to get by so that his other imperfections are overlooked - and he manages to get by too, except with one person.
That one person that carries moisturizers and lotions in his bag, along with polysporin and bandages and tylenol and protein bars (and maybe milk bread, if he’s got the time to get some). He watches Oikawa flirt with danger, serve after serve, set after set, spike after spike. All until he feels it right in his bones that Oikawa’s about to hit his limit and he drags him out of the court, anxious but relieved.
And in the silence of the locker room, Oikawa sits there in a blissful peace, letting Iwaizumi take his hands in his own and attempting to moisturize them, rubbing polysporin on the scrapes and cuts, whispering little warnings about overworking and not taking care of his body enough with furrowed brows. Oikawa lets his fingers wander around Iwaizumi’s jaw until his lips are kissing Oikawa’s hands - one by one, each finger, his palms, his knuckles.
“Do they feel better?”
“Mhm, much better.”
Oikawa doesn’t really take care of himself, but he’s glad there’s someone out there that’s willing to take up the challenge. One day, he thinks, he’ll learn to love himself just as much as Iwaizumi loves him.