yeah I'd try to get more light on it. those stems are pretty flimsy, and its because they're reaching for light. The best plants are sturdy at the base, like most things in life. they look nice though, healthy. I'd separate them a little bit, tie them to a stake, and put them in as much light as you can manage outside. if you move em in, you'll have more control and they'll grow fast, but you have to control all the variables and you need to spend money on lights.

speaking of, I need to smoke