Boring?

I have drawn a portrait of a friend using oil pastels but I feel like it looks a little boring. Would appreciate any ideas on how I can make this a little more captivating (e.g., by adding a background perhaps?)

Thank you!

I have drawn a portrait of a friend using oil pastels but I feel like it looks a little boring. Would appreciate any ideas on how I can make this a little more captivating (e.g., by adding a background perhaps?)

Thank you!