Social situations, especially those involving alcohol, are the hardest!!
I think you did a pretty good job!! I will say that as your friends get used to your changed eating/drinking habits, it gets a lot easier. Try diet coke and Captain or cranberry and vodka. There are calories but you can still be social. Or when people ask what you're drinking tell them its Jack and Coke when it's really diet coke - they won't know the difference. lol Or a lot of times, I just say that I don't feel like drinking and offer to be DD - everyone loves me then! Not that you can't ever drink anymore, but just keep it to the days when you have budgeted for it.
I have a VERY hard time controlling what I'm eating when I've been drinking - especially a good, dark beer or wine. Food just seems to go so well with it. So, in those situations, I try to just not eat anything and ignore the food and just socialize. Once you say that you're not hungry, people will usually leave you alone. Or you can tell a white lie and say your stomach hurts. Once I have just a small bite of anything, the floodgates open and I have no self control. I think you did a great job having just a little!
(I don't want to make it sound like I lie all the time, I've just found that its easier to tell a white lie than to have all of the focus on me and my body and my weight loss and my choices. Once you've lost a significant amount of weight, it gets old fast. At least for me. And of course, it depends on who I'm out with. If its my close friends, we're probably already talking about our weight loss efforts anyway. If its someone more at a distance, they don't need to know.)
And finally, this is a lifestyle change and not a diet - so find a happy medium you're happy with. Whether it's still doing it but not as often or finding a modification you're okay with, do that. Cutting it out completely "forever" won't work.
HW: 225, lost 75lbs in 2011 LW: 150
Losing again starting from 190lbs - 10/16/2015
Small changes add up. Striving to better than yesterday.