Singer Robin Thicke has expanded on his recent breakup with his wife, actress Paula Patton, after whom he titled his new album, "Paula."

"These songs poured out of me over the course of two weeks, and the whole album pretty much," Thicke, 37, told Lara Spencer Wednesday on "Good Morning America," adding, "We were childhood sweethearts. She's the best person I ever met, so I thought the least I could do would be to devote an album to her."

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Having earlier confessed on a WQHT-FM "Hot 97" radio interview that "I haven't seen her for four months" since their February separation after nearly nine years of marriage, Thicke told Spencer he wouldn't say if or how Patton, 38, has responded to the album or to the plaintive single "Get Her Back." "That's all private," he said. "I can't speak for her."

"I actually have no idea what I'm doing," Thicke said in response to Spencer asking about his inclusion of apparently real, private text messages in that song's music video. "I'm just kind of flying by the seat of my pants on this one. But I just wanted to make something artistic out of a very difficult period. When you lose the love of your life you don't have much to hide anymore."

As for what the experience has taught him: "If you got a good woman, take care of her, guys."