SACRAMENTO — Oakland attorney Jon Eisenberg has some advice for same-sex couples looking to say ‘I do’ on June 16: “Don’t get married in a fever.”

The appellate specialist isn’t just channeling Johnny Cash. Even though the state Supreme Court on Wednesday refused to stay (.pdf) its May 15 decision (.pdf) legalizing gay marriage, obstacles remain for same-sex sweethearts who want to tie the knot when the ruling becomes final at 5 p.m. on June 16.