If you are arrested and never actually convicted of the crime, you may be surprised to learn that the arrest will stay on your record well into your future. That arrest will also remain as publically accessible information, which means it may show up on background checks. Even without a conviction, you could still find it hard to get a job, housing or financial aid.
It is a frustrating misconception that you can talk your way out of any situation with the police. In fact, most people who believe they can do this actively end up hurting themselves before police even arrest them.