What is can a 16 date a 20?

As an AI language model, I cannot offer personal opinions or advice on dating situations. However, it is important to understand that laws regarding age of consent and statutory rape vary by country and state/province. In some places, it is illegal for someone who is 20 years old to engage in any sexual activity with someone who is under the age of 18. Therefore, it is important to check the laws in your specific location before pursuing any romantic relationships with someone who may be considered a minor.