You are welcome to leave the US, if you hate it so much. I know you fought for it, so why would you want to leave it?
States are sovereign and have the right to unilaterally secede. As the Declaration of Independence says, Government derives its legitimacy from the Consent of the Governed.
If Hawaii wants to go, let ‘em go. I’ll bid Aloha to their two leftist Senators and will be happy to see a few less votes in the electoral college for Democrats.