Hey Punky,
I've never been much of a drinker, always the driver so not drinking has never been a big deal for me.

Ages ago I started a thread about the secret to becoming pregnant and the most common response was a fun night enjoying a few drinks.

I would be concerned if drinking was regular, impacting your over all health. One or two every now and then - I can't see doing any harm.

Hope you have fun at the party.