Earliest signs?!

Kara • Trying to conceive baby #2. One amazing little boy, and 3 angels watching over us. 🙏🏼 👼🏼👼🏼👼🏼
I'm just now starting my 2ww. And I feel a very strong cramping feeling in my left side.  Nothing other than that. What are some symptoms that you guys have had while in your 2ww. I'm already going stir crazy with waiting!!