Lol you think copying a graphic from google makes a genius ? lolol
I will explain , flushing makes the plants feed on the acumulated nutrients , your worst enemy is Nitrogen , Nitrogen is a very mobile nutrient , flushing makes your plant feed on the acumulated nitrogen , thats why your leaves turn yellow with n deficiency and very dark with excessive nitrogen , you dont want to chop a plant with too much N acumulated , no matter what you dont it will taste like crap , unles you dont know the diference.
I like to smoke and enjoy the smoke , if you just want to enjoy the High its up to you.