Half of what people call a style started as a mistake someone decided to repeat.

Originality is rarely planned. Something goes wrong, the person notices it is interesting rather than embarrassing, and they do it again on purpose. The second time is the decision. That is the whole distance between a flaw and a signature.

Think about what you keep apologising for in your own work or your own way of doing things. The odd phrasing, the strange order you do steps in, the thing a teacher tried to correct. Try keeping one of them deliberately for a month instead of sanding it off. Some of it will be a genuine mistake. Some of it will turn out to be you.