A series of tips from Sheri & Bob Stritof called "Make Your Homecoming More Enjoyable" is worth reading.

http://marriage.about.com/cs/militarymarriages/qt/homecoming.htm 

Among the advice they offer are such gems as:

1. Go slowly - don't try and make up for lost time; and

2. Accept that things may be different.

But check out the rest of the article to read all the tips and hear what The Golden Rules military couples have to say about things like re-acclimation.