"I can't concentrate" is a very shitty metric in the first place. I can concentrate perfectly well, probably even better than most people, thank you. What I can

"I can't concentrate" is a very shitty metric in the first place. I can concentrate perfectly well, probably even better than most people, thank you. What I can't control is when and what I concentrate on. If I was diagnosing someone, hearing "I can't concentrate" with no additional qualifiers would be a significant yellow flag for me.