Can a 18 year old girl be a guardian for 16 year old BF in ny?

In New York, an 18-year-old can be a guardian for a 16-year-old, but it typically requires court approval. Guardianship is usually established for minors who need a legal guardian due to various circumstances, such as parental absence or incapacity. The court will consider the best interests of the minor when granting guardianship. However, it's important to consult with a legal professional for specific guidance on the process and requirements.