5. Letter Spacing

Studying takes too much time, and there is only a limited number of hours. Spaced repetition method uses time intervals and makes you recall more information, using less time.

The spacing effect maximizes learning and your study becomes more efficient and consumes less time.

Proper eye contact can express that you're invested, listening and accepting of the other, while looking down or constantly shifting your gaze shows lack of interest and focus. Too much or too little eye contact can be off-putting, experiment to find the right amount.

When a person first looks at something you have written it should be something that looks inviting to read.

This means wide margins, a certain amount of white space, double spacing between paragraphs, short words, short sentences, short paragraphs and an attractive, inviting layout.