An outcast to my friends..

Okay, so me and Dan haven't been so close recently.. no idea why but he's just ignoring me on msn.
its been around 3 weeks like this and im worried.
Any way yesterday I was on bebo and there was this new app called 'The truth box'
which people write in how they really feel about the other person but there name remains unsaid. So I decided to put that on my page thinking that'd be fun.
That night I texted Dan
"Hey, I just felt like texting you, Lucke says Hi too. Miss you loads! xox"
and the reply
"And you just woke me up.. Night."

This morning I checked my bebo as I do, and there was one new message from the truth box. I clicked it and it read.
"Your so stupid, You always over react everything, and Billie joe is an emo fag."
Sure that hurt ALOT! I knew who it was though.. It was Dan, but I had to make sure.
The message was sent 11 hours ago, I checked his bebo paged and it said 'last online 11 hours ago'

He was my best friend, I have no idea what got into him.
Am I really that stupid?