Some headcanons of mine
He/she would provide you with whatever you require, such as napkins and food, as well as give/purchase items that would provide you with comfort.
-Mitsuya,Baji,Draken,Inui,Yuzuha,Senju,takeomi
He would panic not knowing what to do but ending up buying you some napkins
-Hakkai,Souya,Shinichiro
He'll panic, but he'll seek the assistance of a relative or friend, and he'll go out and purchase some pads and snacks to keep you company.
-kokonoi,mikey,rindou,ran,hakkai,sanzu
Would give you love and cuddles to keep you in company.
-Nahoya(?),Souya,Haitani brothers,izana,hakkai
They would instruct you to stay in bed or at home whenever you wanted to join them, but they would refuse since you were "sick."
-Izana,Ran,Kakucho,Draken,Souya