United Kingdom, June 17 -- Zac Efron is focused on finding happiness because he "neglected" his "personal life" for such a long time.

The 38-year-old actor has admitted his priorities in life have completely changed and he's now determined to put his mental health first and happiness first after spending so many years focusing on his career in Hollywood.

He told Heat magazine: "It's taken me a while to get there, but my biggest motivation is to be happy in both my professional and personal life. For too long, I only focused on work and I neglected my personal life. "

The Iron Claw star also insisted he's never going to sacrifice his mental health to get in shape for a role again after previously suffering to get a beach body for his Ba...