United Kingdom, Oct. 5 -- Brian May's depression is "always there" and he can "only find happiness in moments".

The Queen star, 79, has opened up about his mental health issues revealing he's spent years struggling with condition since his diagnosis - confessing he can only feel truly content during rare times when it's "hidden in a corner".

In an interview with The Times newspaper, Brian explained: "Well, I'm a depressive. I've been diagnosed as such. Depression is an animal that lives inside you, so happiness is found in those moments when depression is hidden in a corner.

"That's when you're experiencing life to the full, in spite of it, or perhaps because of it."

He went on to add: "The depression is always there, and if I don't l...