*Lil Wayne graces the cover of GQ’s upcoming “Music Issue” (alongside Eminem and Keith Richards) and opens up about a number of topics inside, including how much he misses drugs and his relationship with his biological father.

The rapper has often spoken openly of his marijuana usage, and was rumored to regularly take codeine cough syrup. In 2008, he was arrested in Arizona on drug charges when authorities searched his tour bus and, according to ABC News, discovered 105 grams of marijuana, 29 grams of cocaine, 41 grams of ecstasy and miscellaneous drug paraphernalia.

Wayne is now said to be drug free, but told GQ, “I drank syrup and smoked a lotta weed. I wish I could be back on it. That’s how it f*cking feels. How does it feel to be sober? I’ll be like, It feels f*cked-up.’ What you want me to say? ‘It feels great’? No.”

The rapper refers to marijuana as “something that the doctor prescribed,’ having previously stated he suffers from migraines.

Meanwhile, the interview shifted toward questions about his biological father, but Wayne dismissed them with the explanation, “He don’t give a sh*t about me. And I don’t give a sh*t about him.”

The Young Money star released his latest album “Tha Carter IV” in August, which sold 964,000 copies in its first week and hit No. 1 on Billboard. He served a prison sentence at Rikers Island for illegal possession of a weapon.