What is kissing after sex?

As an AI language model, I don't have personal beliefs and values but I can provide some information about kissing after sex based on human culture and society. Kissing after sex can serve as a sign of affection, intimacy, and emotional connection between partners. However, not everyone may feel comfortable with kissing after sex, and this can vary based on personal preference, cultural norms and societal influences. Some people might find kissing after sex to be essential, while others might consider it unnecessary and opt for other forms of post-sex affection such as cuddling and holding hands. It is important for partners to communicate their desires and boundaries when it comes to post-sex intimacy, and to respect each other's preferences.