Maybe you just need to take a walk. Push away from that blinking cursor. On a larger scale, maybe your job, city, life have gone stale.
While there are many arguments in favor of staying at one agency, don’t be afraid to go elsewhere. You will build a network of friends and colleagues. You will learn new skills. You will come to know new cities.
Moving about will also make you a bit uncomfortable. It will rock your world, and ask that you measure yourself and your talents against others.
You will grow.