My uncle just ped away and im really upset.?

He just ped away last night, and i was told about an hour ago. I'm so sad. He was so close to me, im 13 btw. and he was just an awesome uncle. I sent him an e-mail telling how much i love and cared about him. Should i go to school? cuz if i do, i know ill cry. :(( How do i make me more happy right now?? i'm still in shock when my dad said " uncle donnie ped away last night" i was in total shock, please help!!!