Writing in short sentences is not childish.
We begin to write by using short sentences. As we grow so do our sentences.
By the time we reach working age we think we need long, complex sentences to be professional. This leads us to a use jargon and unclear language. We end up writing without clarity and impact.
Yes, long sentences can sound impressive—like something from a professor, journalist, or expert. But how often do you actually enjoy reading their work? Can you understand what they write without re-reading parts of it?
Writing in short sentences is not childish. It's professional. It's effective.
