Is my Pithecellobium confertum getting enough light?

Hi all, I have this Pithecellobium confertum for a few months now. It‘s placed right below a 10w Sansi growing light and near a windowsill. While it took some time to start growing it currently really started to pick up pace. I‘m just worried that it‘s not getting enough light. Anyone here experienced with this plant and know if I need to up the growlight into something bigger? Also I want to train the plant to get her in a nice S shape. But I‘m worried that I‘m going to break something.