The former Bush singer's wife Gwen Stefani gave birth to their second son, Zuma Nesta Rock, last month and Gavin admits two-year-old Kingston is having difficulty accepting the new arrival.

He revealed: "Kingston thinks he's all right and is getting used to him. I think at first there was probably a little concern that Zuma might be staying over!"

The rocker recently revealed he had struggled to bond with Kingston until he was nine months old. He said: "I felt guilty for the first few weeks - I didn't feel fireworks. But I felt something more subtle, earthy, which grew and grew.

"For nine months, he didn't really notice his dad, especially with Gwen breastfeeding all the time. Suddenly, at nine months on the dot, he couldn't be calmed down unless I picked him up. He suddenly wanted me to do everything."

Last week, Gavin revealed he was struggling to find time to enjoy his favorite leisurely pursuits because of the changes having a new baby has brought to his life.

He wrote on his My Space blog: "It's been pretty busy on the home front, of course. There have been visits and people and precious time. Must get to the cinema. It's a shame."

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