... the reason I didn't respond is rather simple. I accidentally 'hid' your IM windows, rather than closed them. Thus, I was not alerted to your messages like I normally am.
So in short, I didn't know you were trying to talk to me. I should be on later if you want to try get a hold of me then.
So in short, I didn't know you were trying to talk to me. I should be on later if you want to try get a hold of me then.