Being type 1 has had literally emphatically zero impact on my social life. There is nothing I can't drink, I cant eat, I can't travel. I can do all of those things with no issues. I go out for dinner, I go out for drinks, I go round to friends for dinners, I cook for them, I get on planes. If you want to drink, drink, test your blood sugar occasionally through the evening if you feel like it, the only one who will notice is you, unless the drink makes you decide it's a good idea to stand up on the bar as you test. If you want to go out for dinner, go for it. There is nothing you can't eat because of type 1, you just have to inject for it. Again no ones going to notice you injecting at the dinner table and it will take you less that a minute to test and inject. If you want to travel, get on a plane. Security staff see hundreds of diabetics with pumps CGMs needles every day and they couldn't be less interested.
I think the only change made due to type 1 was when the girls organising a hen do (my friend getting married was a doctor and the bridesmaids were doctors) were very sweet and asked if I needed anything special on the weekend. I asked them it they could save the packaging from the evening spread they would be putting out before I arrived so I could carb count for it. It's hardly a massive imposition.
I've never had an issue from friends/colleagues I socialise with that I will occasionally test when out. If anyone I was socialising with did have a problem with it all that would show is that they aren't some one I want to waste my time with because I have no interest in socialising with ignorant bigots.