No. You're allowed to direct your attention. The problem would be in how you approach it. If you strive then you're doing it wrong. Liken it to brushing you

No. You're allowed to direct your attention. The problem would be in how you approach it. If you strive then you're doing it wrong. Liken it to brushing your teeth: you can't really judge it. You probably did it good enough. It's more important to keep doing it steadily every day than to evaluate progress.