Their love may be toxic and destructive, but like Tiger Woods and ... well, any woman, you cannot keep Amy Winehouse and Blake Fielder-Civil apart.
Nor can you pry them apart once they're together.
The Back to Black singer and her ex-husband met up over the weekend for a two-day tryst at a flat in Sheffield where Fielder-Civil is in a rehab clinic.
They stayed holed up there for 36 hours straight.
Amy was seen being driven away from their secret rendezvous yesterday morning. Blake Fielder-Civil left minutes later showing off a new tattoo of Amy's face inked on the back of his hand as he tried to shield his face from photographers.
And they say there's no such thing as true love.
The reunion of Blake and Amy is not without its detractors.
Amy's parents, Mitch and Janice, are said to be "frantic with worry" now that she and Blake are back together against all odds ... and logic, and safety.
"They have vowed to one another never to get back into drugs," a source says. "But together [Amy and Blake] just went into self destruct mode."
"It was their separation that saved them."
Wino's ex was released from prison earlier this year after serving a 27-month sentence for grievous bodily harm and perverting the course of justice, but was sent to rehab after failing a drug test which breached his parole terms.
Blake Fielder-Civil, who Mitch blames for getting Amy hooked onto cocaine and heroin, married her in 2007 but divorced her just this past August.
Despite a contentious and well-publicized split, the couple were flirting on social-networking site Facebook and are said to be planning to remarry.
Not if her family has anything to say about it.
A source claimed: “Mitch has seen a solicitor. He is doing everything he can to protect his daughter. He thinks Blake brings nothing but heartache."