Until Miranda Lambert entered the picture, Blake Shelton wasn't exactly the jocular yet empathetic star fans now know him to be. In an exclusive interview, the multiplatinum-selling country crooner, 35, tells Us Weekly how his new bride helped him tame his once wild ways.

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"I was a single male country singer raising hell, going out after concerts to bars and drinking and doing whatever I wanted," The Voice mentor recalls. "And why the hell not? I wouldn't take it back, either."

Now that he's gotten everything out of his system, Shelton jokes: "Man, I don't know where in the hell I got the energy! I'm getting old now, and my hair's going gray."

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All kidding aside, life is much different for the "Honey Bee" singer these days. Shelton credits his wife of seven weeks, 27, with helping him "grow into a normal, adult routine."

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"I grew tried of going out drinking until 7 a.m. and then waking up at noon and eating pizza," Shelton tells Us. "Now if I want to go drinking, I only want to sit at the house with Miranda watching Snapped on TV at home. It's crazy because even if I'm just out on her bus while she's on the road or watching her do her shows, I'm 100 percent comfortable because she is there. She really is that rock for me and the center of all of this."

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