JST some sad shi

So, what do u wear to a funeral? Im Rly RLY Abt to drown myself in tears rn…. WHY?? bc my grandpa JST passed away. cuz tell me y I JST came back home and found a police car and ambulance parked in front of my house? The funerals gn hapoen in like a week. I srsly stayed in my room that whole night bawling. Still am rnw… My grandpa rly meant a lot to me since he was there for me since the day I was born and im JST having a real hard time cuz idk like I rky needed comfort from my elder sis but she told to move on LIKE HWLLOW HOW??? Srsly, I know I ain't that close to her but still. And it feels like im the only one who cares since the rest of my family jst idk- okii with that?? It honestly makes me rlly sad and bc my family members don understand and all my besties r on vacation and I don wanna ruin the mood ( they love my gramps too) im asking y'all for some advice to move on tyyyy🥹♥ (and rly what the heck do u wear to a funeral… I don have any black clothesss)