The cigarette can become a distraction to keep us from dealing with what we are really feeling, such as being uncomfortable. It can create something to fixate on. But if you think about it, you are also getting a chance to create a more healthy social you as well because you will be able to fully engage in these situations now instead of relying on the cigarette to be the crutch to get you through it!
Your last comment is very honest, identifying a very real trigger for you. Being uncomfortable.
One very lovely thing about quitting and confronting triggers, is learning things about ourselves. Situations no longer require the crutch of the cigarette, but require us to deal with them the way non addicts do.
Whenever you feel that pang of want when you are uncomfortable, try to focus on the positive of the situation, that you are able to stretch your wings a bit and try out a new version of you.