There are a few things you can do to make sure you impress a girl on Instagram chat. First, be sure to keep your images clean and organized. This will help show that you’re a responsible and organized person. Additionally, try to be interesting and engaging in your conversation. This will show that you’re interested in the girl and want to make her feel comfortable and welcome. Finally, be sure to use proper grammar when talking to girls on Instagram chat. This will show that you’re a responsible person who knows how to communicate with others.