Because if the unhealthy characteristics where like getting angry very easlily your partner could blow up in your face.
If you are not careful, then you might get hurt.
It's important because those unhealthy characteristics threaten to destroy everything you've worked on together to get that relationship so far...
unfaithfullness
Dying.
People should be aware of unhealthy characteristics in a relationship because it affects your regular life. For example, if you fight a lot with your boyfriend, it can cause stress, depression and even high cholesterol.
Another important genetic characteristic of Marfan syndrome is variable expression.
teeth brushing is important because if you don't brush them your teeth will be unhealthy and your breath will stink its the same thing like eating if you don't eat your body will be unhealthy
An important characteristic of good money is scarcity. This means that it is not readily available which will increase its value as well.
Self Awareness is a characteristic that describes a person, and it is the ability to see yourself and acknowledge your actions and attitude to start. Being aware of how you act look what you do and the results.
This is a very generalized question. Different motor units have different important characteristics. An example being how an important characteristic of the motor unit of a vehicle is the intake manifold but the important characteristic of a game consoles motor is its gears.
An important characteristic of good money is scarcity. This means that it is not readily available which will increase its value as well.
To know how healthy you are. If you're unhealthy, you can die.