I used to worry too, Mark, when I went to book clubs or Bunco Nights that the women would be put-off by my refusal to accept a glass of wine but it turned out no one cared at all and the invites kept coming in. I didn't attend for a long while, though, and didn't accept invitations until I felt more comfortable in my sober-skin.
You will know when you are ready to visit the home farm and will do just fine.