Short story
I'm going away for a long-planned holiday with my sister and girl friends. No children. They are all looking forward to drinking. I would like tips for moderating drinking, while still "joining in".
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Backstory
We were big drinkers in our 20s, but recently I've enjoyed being alcohol free. When I do drink I tend to drink too much - I don't do anything I regret, but I normally just get sleepy, go to bed early and wake up with a headache. Most of the time, I just don't drink at all and I'm fine.
However, on the holiday I don't want to completely abstain- I will be out there a few days just with my sister before the rest of the group joins us. She enjoys drinking in the evening when she is childfree, and says she hates the feeling of "drinking alone". In a way, I don't want to let her down and be "boring", but - last night was an example of how this can go wrong, we decided to share a bottle of wine at mine. I drank most of it, fell asleep in front of the TV before going to bed at 12 and waking up this morning late and with a slight headache. It just made me feel that I don't want this to be my holiday experience. At the same time, I would like to be able to have 1-2 small glasses of wine and dinner and then switch to sods water.
Any tips or ideas of whether this is possible? It feels like my issue is peer pressure, combined with the genuine belief that if I don't drink I'm somehow spoiling their holiday. I would rather not get into big discussions and arguments with them, which is why I think - is it possible to literally just have one or two drinks and then how do I do this in practice.