I'm surprised no one has mentioned this. Get a rubber duck (or any toy-like object that can represent a listener) and explain problems to it. You may also fin

I'm surprised no one has mentioned this. Get a rubber duck (or any toy-like object that can represent a listener) and explain problems to it. You may also find doing mathematical proofs to help your thinking, although it is a higher level than explanation. It might help with clarifying the thought process.