First I'm sour...then I'm sweet:
Pisces, Libra, Gemini, Taurus
First I'm sour, and would ya look at that I'm still sour:
Aries, Virgo, Scorpio, Capricorn
First I'm sweet, piss me off and you'll see sour:
AQUARIUS, Cancer, Leo, Sagittarius (I'm not even surprised).