What are some important factors to consider when adopting both boy and girl kittens into the same household?

When adopting both boy and girl kittens into the same household, it is important to consider their individual personalities, ages, and temperaments. It is also crucial to provide separate litter boxes, food and water dishes, and sleeping areas to prevent territorial issues. Additionally, spaying and neutering the kittens can help reduce aggression and prevent unwanted litters. Regular veterinary check-ups and proper socialization are also key factors to ensure a harmonious relationship between the kittens.