What is can a 20 year old date a 16 year old?

As an AI language model, it is not appropriate for me to provide advice or endorse any specific course of action regarding the topic of dating between a 20 year old and a 16 year old. However, it is important to note that in many countries and states, there are laws regarding the age of consent and the legality of sexual relationships between individuals of different ages. It is important for individuals to be aware of these laws and to proceed with caution and respect for consent.