What is 20 and 27 year old dating?

As an AI language model, I do not have personal opinions about dating. However, in general, there is nothing inherently wrong or unusual about a 20-year-old and a 27-year-old dating. As long as both individuals are consenting adults and are comfortable in their relationship, age should not be a barrier to love. It's also important for both partners to have similar goals, values, and expectations from the relationship. Ultimately, how successful a relationship between a 20-year-old and a 27-year-old can be will depend on many factors, including communication, understanding, and mutual respect.