Astrological nonsense

How on earth (pun intended) can the position of the stars tell me what I should or should not eat. According to Chinese astrology I should feast on lobster, tuna, clams, oysters, spinach, radishes, cabbage, corn, lentils, peanuts and lemons. And, being a Dragon (and I welcome that part of the philosophy), apparently my worst enemy is caffeine in large amounts.
This is total nonsense. Such a diet would be monotonous, limited and boring. Let's consider them one by one:-
lobster - no idea how to eat it
tuna - girly food
clams - are these the same as mussels? If so, good
Oysters - can't open the damned things
spinach - only tastes acceptable as an Indian side dish
radishes - disgustingly bitter
cabbage - to be avoided at all costs (trust the instincts you had at primary school)
corn - excellent and versatile - can you believe popcorn and nachos come from the same thing?
lentils - too veggie, but again as a side dish, yes please
peanuts - if some people have life-threating reactions to them shouldn't we all tread carefully?
lemons - why the hell would someone eat a lemon?
As for coffee, discovering real coffee (rather than that freeze-dried rubbish) has been one of the great discoveries of recent years.