bit late but finally found the book and wanted to share that part with you, if you haven't actually read it already..this is from "Feel" Rob's biography
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Perhaps there is something about lounging in comfort on a luxurious private plane that triggers reminiscene. As we fly into German airspace, Rob starts talking about his encounters with Bono. The first is one of his favourite anecdotes from the lost drug days. He had flown over to Bono's Dublin retreat for a party. Patsy and Liam had been on the plane and during the journey he had persuaded Liam that when Bono relaxes he likes calling the bingo. At the party, Rob got off his head on mushrooms and Bono found him staring at the wall. Rob had been staring at the same thing for ages, because he was quite sure it was the most beautiful picture he'd ever seen in his life
"Bono," he said, "that picture's amazing..."
"Robbie," pointed out Bono, patiently. "That's the window."
Rob stayed in the guest house. All the previous guests had written on the walls, and he was expected to do the same. Before leaving, he stood there for ages, looking at the words from Salman Rushdie and Kofi Annan and all the others, intimidated by all the scrawled wisdom and poetry, trying to work out how he could match it. Finally, he raised his pen.
"To Bono," he wrote. "Love Robbie."
He is besotted with Bono, and with U2. It was watching their April 2001 concert in Anaheim, California, that was one of the principal spurs to make him want to retire as a solo artist and form a band. In his prayers for some time afterwards he would literally implore: "God, can I find the Edge, please? And can you help me to write really deep lyrics that touch my soul as much as Bono's touch mine?"
After the Anaheim show, he went backstage and told Bono: "When I grow up, I want to be like you." He received that look from Bono that suggested this was not the thought he should be thinking. Bono can make him feel like that quite easily.
There is one moment from his various encounters with Bono he regrets most of all. Bono has a way, now and then, of grabbing you and looking you in the eye and really talking to you. When Rob was around him, Rob would wish for Bono to do this, but be terrified of it too. One night, right at the start of Rob's solo career, Bono was talking to him like that, and said to him: "If you want, you could be absolutely huge."
And Rob replied, "Yeah, I'm going to be the biggest celebrity ever."
I'm going to be the biggest celebrity ever.
"The minute it went through my lips I knew it was wrong," says Rob. "And he looked at me like I'd stolen one of his children. And he said no, no, no.... And I went no, no, no..."