Do you know your wife enough?

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Across
  1. 5. Lunar birthday
  2. 6. Favourite my little pony character
  3. 8. Favourite care bear character
Down
  1. 1. Horoscope
  2. 2. Favourite flavour
  3. 3. Favourite umbrella colour
  4. 4. Favourite month of the year
  5. 7. sqroot(John age + Breyl age - Breyl bday date - John bday date - Breyl bday month - John bday month) x2