As reports surface that Tiger Woods is at a sex rehab facility, Dr. Drew Pinsky offers an inside look into that world.

"In recovery, you're as sick as your secrets, and Tiger is going to have to get honest about everything," the "Celebrity Rehab" doctor explains, reacting to the reports. "Ultimately Tiger will have to come clean on everything."

Many are wondering if Tiger's wife Elin will visit him if it does turn out that he's in a rehab facility. Dr. Drew responds, "Absolutely, in sex rehab there is family treatment that is a critical component of care and, of course, disclosure and rebuilding trust is a key component of that. In fact, on disclosure days some people are actually put on a lie detector test. ... It's possible that Tiger Woods could be put on a lie detector test."

The doctor says the healing process can be just as difficult for family members as it is for the patient. "Is his wife going to commit to this relationship? The marriages can do very well after treatment. ... There's a reason she's with him and believe me this problem has been going on for a long time. I'm sure she was well aware of it long before the evening of the car accident," he tells ET, adding, "In fact the partner very often has to work hard, if not harder, than the identified patient."

Tiger's reported rehab center is tucked away in Hattiesburg, Mississippi and treatments there are recommended to be six weeks long. Dr. Drew is not treating nor does he know Tiger Woods, but says that following his reported time in rehab that "Tiger will have to go cold turkey for an extended period of time."

"Celebrity Rehab with Dr. Drew" airs Thursday nights on VH1.