Let's all tell him crappy things when he's already emotionally unbalanced because of one huge thing. Great idea.
But did he skip back to the states and make good on it right away? No.
I'm not saying walk on egg shells around him, but seriously he already thinks he's lost you, Elijah talking about marriage to Katherine on the same damn day. Yeah, Klaus was so going to be all 'I'm happy for you, brother. Go! Get married to the woman I can hardly stand and has broken your heart more times than I can count. GOD SPEED"