This is a good idea - don't tell people you've stopped drinking.
If they ask at any given time, just say mutter something plausible to move the conversation on - whoever you are talking to won't really be interested and and will be glad to move on to a new topic.
If they ask at any given time, just say mutter something plausible to move the conversation on - whoever you are talking to won't really be interested and and will be glad to move on to a new topic.