Simon Cowell’s life changed for the better once he quit his workaholic ways. In a new interview alongside fiancée Lauren Silverman, the American Idol alum admitted he wasn’t completely happy until he found the right work-life balance. “When it got quite dark, everything kind of opened up for me,” he spilled. “I hoped something good would happen because I remember when I was working flat out, even though everything was going fine, I was miserable because I think I was actually physically and mentally exhausted.” “I think before he had [10-year-old son] Eric, his life was great, and he had so mu…
