After Ace was very happy to be in the whitebeard crew, his Joy dissapeard by a Day where he heard that Thatch got murdered by Teach. He got very angry and dosen‘t belive that Whitebeard closes an Eye at this situation

Ace:„HOW SHOULD THE GHOST OF THATCH FIND SOME PEACE IF HIS MURDER ESCAPES?!?!, HE SPITTED IN YOUR FACE POPS!!!“