Bark, It sounds to me as though you care a lot about good English. I see nothing wrong with that. It also sounds like you may be a bit prone to perfectionism. That can be a huge problem. I think it's often a case of compulsiveness related to anxiety. That sort of thing can be a huge impediment to getting things accomplished. I've experienced a lot of that, myself.
If you try to record ideas as fast as you think them - when your mind is particularly fecund - it's kind of impossible to dot every i and cross every t. If you think you never experience that kind of mental state, then you are possibly over-censoring yourself.
It can be real ego-deflating to look at what you wrote yesterday, or last week, and find yourself thinking, "What a bunch of tedious junk." (Happens to me everytime I come to PC.

) Maybe over-sensoring is a strategy to spare ourselves that pain. Not a good strategy, though.