What is is 17 and 20 bad?

It is not clear what is meant by "is 17 and 20 bad." However, if referring to a romantic relationship between a 17-year-old and a 20-year-old, it may be considered inappropriate as the legal age of consent varies by jurisdiction and could potentially be considered statutory rape. Additionally, a three-year age gap at this stage in life can represent a significant difference in maturity levels and life experiences, which could lead to uneven power dynamics in the relationship. Ultimately, the appropriateness of the relationship would depend on the specific circumstances and individuals involved.