I'm curious why you said you couldn't drink at your Mothers? Was it because you told her you are not drinking and you wanted to prove to her that you can do this? I think if she knows you are not drinking she could hold off from drinking during your visits..that would be a nice thing to do.....
Yes, eventually we have to deal with others drinking but so early in your recovery I want others to respect you.
I hate to say this..but you do sound fixated on waiting till after your birthday to stop drinking....and I wish you could reset your mind to think...Wow this would be the first sober birthday in forever.
But...good job making it thru the craving today..and you can only take one day and sometimes one minute at a time....