Jorpati, Kathmandu In general, this is not necessary. Exceptions would include young, tannic, and oaky Cabernet, Bordeaux, Brunello, Barolo, Aglianico, Sagrantino, and some red Burgundy. If you open a wine and taste it, and it tastes like tea that was steeped too long, the wine may benefit from additional aeration. But, if the wine hasn�t opened up in the glass during the course of a meal, it is either way too young to be drinking or it just isn�t a balanced wine and has too much acid and too little fruit.