Using I message is the best way to by which an assertion about the feelings, belief and values can be expressed in a way that it does not sounds offensive.
In this condition the person generally expressed with a sentence that starts with I and is contrasted with a YOU message.
Example: I feel like I should not drink at this moment.
This is a way which seems to be a good communication strategy.
Being able to wash a car to achieve that goal you need to have soap and water. Start by putting water on the car then put soap on it then your done and repeat till it shiny
