If your sparring doesn't look like your kata you aren't doing karate. You're just doing bad kickboxing. No wonder karate has such a bad reputation among martial arts. Karate is one of the most deadly martial arts when done correctly.
Stop feeding like an imposter. Take up the deep lessons the old masters put in the martial arts and reclaim your art. Start seeing the hidden information between the movements.
The Martial Mentor will guide you as you rediscover the lessons of the old masters. You'll get to learn what you weren't taught.
The kata is the style. When your flghting looks like the kata you'll finally be on the road to something meaningful.
Go from black belt to real belt. Now is the time. Start now.