The nicknames you've given your boyfriend Yamaguchi (cuz Yams deserves some love y'all):
Aries: Honey
Taurus: Handsome
Gemini: Romeo
Cancer: My Prince
Leo: Papa Bear
Virgo: Munchkins
Libra: Sugercube
Scorpio: Mr Adorable
Sagittarius: Prince Charming
Capricorn: Boo
Aquarius: Darling
Pisces: Pooh Bear