I'm with flynby. I felt physically better when I quit but I'm still learning and growing and it's been since December 2013 since I drank.
There are immediate benefits but I had to look for them. Running to the store at 9 p.m. would have been out of the question before. Now I have no worries.
Hang in there. Do you have a gratitude list in addition to what you journal? It's a positive reminder of what you have.