One way to split the difference on this issue is to type out your question in a separate text editor ahead of time and store it on your clipboard. That way, wh

One way to split the difference on this issue is to type out your question in a separate text editor ahead of time and store it on your clipboard. That way, when your coworker responds to your "hello", you can immediately reply with your question, saving them the time of waiting for you to type.