The answer to this question completely depends on where in the world you reside. In most parts of the USA, this would be considered illegal due to age restrictions on sexual activity. If you’re 17 years old, it’s definitely not advised that you date people that are 30 years old due to such a difference in age and more importantly the fact you could get into trouble with the law. This article isn’t for minors and focuses on talking about consensual adult dating and relationships.