"And I realised recently that I have dyscalculia ... so I can't add, I can't count. I had to find ways of doing this, and counting bars is like climbing Everest. "And when people watch me play ...
Mullen Jr explained that it’s the dyscalculia that is the reason behind the ‘pained’ look he often has on his face while playing drums, which has long been noticed by U2 fans. “I am pained because I’m ...