Some headcannons of the HoO boys when they're sick because why not.
When Percy gets sick, he is either an absolute baby and very dramatic, or tries to hide it so people don't worry about him. Depends on the illness and who's around.
Jason will run himself to the ground before he admits to himself that he's sick. This drives Piper crazy.
Leo usually gets so focused on whatever he's working on that he doesn't even notice that he's sick at first until someone points it out.
Nico has a super weak immune system and catches everything that goes around.
Will hardly ever gets sick, but when he does it hits him hard.
Frank is one to cut himself off from the world when he's sick and just sleep until he's better.
Percy still loves having his mom take care of him when he's sick.
Jason gets super grouchy whenever he's not feeling well, so everyone close to him kind of knows when he's not at his best.
Will is really stubborn and argumentative when he's sick.
Nico cries a lot when he's really not feeling well. Will just kinda sits there and rubs his back going, "it's okay, you're okay".
Frank loves cuddling when he's sick, but always feels bad about exposing his germs to whoever he's cuddling with (i.e. Hazel).
Jason, surprisingly, is also very cuddly when he's sick. Sometimes that's what clues Piper in that he's not feeling well. She comes home and he's laying on the couch and holds his arms out for a hug and she just knows.
Leo is like "don't touch me" when he doesn't feel good. People getting too close to him and invading his personal space just makes him feel worse.
Nico is the same. He doesn't even want to see or talk to anyone when he's sick. With the exception of Will.
Percy always makes a big "nest" on the couch with tons of blankets and pillows and doesn't leave until he's feeling better.
Will is really good about covering his cough. He's a healer and knows better.
Same with Jason. He grew up sharing a living space with like 50 people at camp Jupiter, so he was taught to contain his illnesses to not get the entire cohort sick.
Nico... not so much. He doesn't even care about covering when he sneezes or coughs, and it drives Will crazy.
Frank has a knack for only getting sick at the most inconvenient time.
Jason gets a cold every time the seasons change.
Since Nico hasn't been vaccinated against a lot of stuff, he is more prone to uncommon illnesses.
Two in one night, whaaaat? Haha, this is just some stuff that's always kind of in the back of my mind when writing sickfics that I just typed out for an update. If you have any more headcannons of any of the boys when they're sick, comment them!
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PJO/HOO Sickfics and Prompts
FanfictionA book full of Percy Jackson/Heroes of Olympus sickfics. I will write any suggestions/requests!