Congrats on finishing your third day. What an awesome accomplishment. Try not to make any major decisions about your life right now. You just need to get thru these early days. One foot in front of the other. Support yourself by listening to the many great AA speakers out there. Do this listening to earbuds, maybe while taking a walk. She's not talking to you now anyway, use this time for yourself. You'll get inspired and will see what an amazing life awaits you, with or without her.
Best of luck to you.