I did well at the baby shower. No one came out directly and asked about H which made it easier.
Next hurdle will be deciding whether or not to go to BIL's birthday party next Saturday. It's going to be a huge thing (12 friends who have "major" birthdays this year are going together on the party). I thought it would be a good test for me because there will be so many people I can slip in and out without being noticed, but would be MY first major public appearance with chance of H being with ow (who happens to be a good friend of BIL). H has been out with ow in public, but not in my presence.