Writing is a creative self-expression.
Follow the ideas in The Day You Became a Better Writer, Write Like You Talk, Writing Well posts. Julian‘s guide on writing: Punctuation & How to write an essay well.
The classic book: The Element of Style is freely available online. Another book: Revising Prose.
Shave words off
Simplify your sentence
Paramedic Method: Short 1m48s or Long 27m39s.
Write more. Keep writing!