Yeah, Laugh For Now...
He's definitely only laughing now because the sting hasn't set in yet. A burn that intense is going to have him down for the count for days. It almost hurts your eyes to look at.
That Necklace Probably Feels White-Hot
Lose the necklace, girl. Why put yourself through any more pain than you have to? Look at how intense those lines are. Go lay down with an icepack for a day... or five.