sobriety is the condition of not having any measurable levels of effects from alcohol
Yeah i prefer to be sober myself, I try not to drink too much when I'm at parties. I guess you dont like to drink a lot either? 
its good that sobriety is also considered to be the natural state of a human being given at birth
Indeed it is, I like to be sober so I can think straight, Drinking really messes me up. 
well everyone needs to have a sustained abstinece or sobritey .. which is the firs step