By giving others positive suggestions you can also influence their thoughts and behaviour.
Why? The brain deletes small words like ‘not’ and ‘don’t’ which are not active descriptive words.
For example, if you are asked to not think of a red telephone box, what picture pops into your mind?
Similarly, if you ask a child, ‘Don’t spill that drink’ it’s more likely they will spill the drink, than if you say ‘take care with that drink’.