All those butterflies, flashbacks and that red pill made me think he was dead. I was so upset .
I'm glad I'm not the only one. I rewatched the last five minutes of that episode so many times. It kinda depressed me for a while...until I read the manga to find out he was alive. Still, it's one of the really good emotional scenes in the anime. 'Specially when he mentions all his friends...

*goes and rewatches episode*

Also, the truth of LobsterMagnet's post made me laugh.