Should I?

Madison
Okay girls, I need help deciding! My boyfriend is no help when it comes to this kind of thing so I need advice. I'm 19 but I don't want to look like a 15 year old. Should I keep growing my hair out or cut it back short again? Some tell me having it long makes me look older while others tell me the complete opposite. 
⬇️⬇️This is my current length⬇️⬇️