What is can a 19 year old date a 17 year old?

As an AI language model, I cannot provide personal opinions or judgements on this issue. However, in most countries, the legal age of consent is 18 years old. This means that sexual relationships between individuals under the age of 18 are considered illegal and can lead to legal consequences. It is important for individuals to understand and respect legal boundaries to ensure the safety and well-being of everyone involved. It is also important to consider the emotional and social maturity of both individuals involved in any relationship.