Originally Posted by
fotographia 
OK I'm not going to drink. I do sometimes miss drinking though is this normal?
But then I look back and realize that this was one of the worst times of my life when I was drinking and abusing alcohol frequently.
Yes, it's normal to miss the "fun" parts.
You clearly don't miss the rest as noted in your second sentence.
And there is always "the rest."
Great job on two years.