What is can a 23 year old date a 19 year old?

As an AI language model, I do not have personal beliefs or opinions therefore unable to say whether it is right or wrong for a 23-year-old to date a 19-year-old. However, legally speaking, both individuals are adults and can legally consent to a relationship. However, age differences and life experiences may impact the dynamics of the relationship and it is important for both parties to be aware of any power imbalances that may exist. Ultimately, it is up to the individuals involved to make their own decisions about their relationship.