Large social occasions where many are smoking and where I used to smoke were a little daunting at first.
Will people offer me a cigarette? Probably.
Will I feel like smoking? Probably.
Will I try to persuade myself that just one at a social gathering is WAY better than smoking every day? Probably.
Will I look at people and whine "how come they get to smoke?"
Actually...
People will offer me a cigarette because misery loves company.
Of course I will feel like smoking, my addiction will immediately sense an opportunity to get me back. But a good firm NOPE will put it back in its place.
There is no such thing as just one for me. "I am one puff away from a pack a day".
Those people that 'get to smoke' are looking at me. "How did he just stop? He used to smoke more than me and for years too. Yet he looks completely relaxed." They know that as sure as eggs is eggs, smoking is killing them.
Quitting smoking is a life changing and life enhancing choice. People are inspired by you. Quitting does not mean duck out of life, it means grab life by the throat and LIVE it!
In practical terms though...don't drink too much. Have in mind allies that you can rely on if you get tempted and a place to go take 5 mins if you need to regroup and sip some water.
My experience was the anticipation was worse than the reality.
Also, Grandma will always appreciate a visit. (I bet she is hugely proud of you too)